EP7h, Med Surg Certification Review Day 2.pdf Med Surg Certification Review Day 2, 2011 Sherry Carter, BSN, RN 1 EP7h, Med Surg Certification Review Day 2.pdf Respiratory System Anatomy and Physiology Respiratory Tract Upper: Nose, pharynx, larynx and trachea Lower: Bronchi, bronchioles and alveoli Thoracic Cage: Rib cage, intercostal muscles, diaphragm Lungs Structure Ventilation Diffusion: High to low pressure (alveolar-capillary) Acid-Base regulation 2 EP7h, Med Surg Certification Review Day 2.pdf 3 EP7h, Med Surg Certification Review Day 2.pdf 4 EP7h, Med Surg Certification Review Day 2.pdf Inspiration & Expiration Normal Physiology Work of breathing occurs mainly during inspiration: Diaphragm expands, using energy Expiration is passive, no energy expended COPD Work of breathing occurs during both inspiration and expiration: Respiratory muscles are unable to recoil passively 5 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Drive Normal Physiology Presence of high CO2 COPD Areas sensitive to high CO2 found in ventral portion of the medulla oblongata malfunction Baroceptors in the aorta and carotid arteries take over and stimulate respiratory drive based on low O2 6 EP7h, Med Surg Certification Review Day 2.pdf Assessment Hx Dyspnea, orthopnea, cough, sputum, allergies, smoking, occupation, nutrition, etc. Objective Palpation Subcutaneous emphysema in patients with pneumothorax, chest tubes, drainage tubes, trach tubes 7 EP7h, Med Surg Certification Review Day 2.pdf Assessment (cont.) Objective (cont.) Inspection Color (lips, earlobes mucous membranes) LOC (hypoxia) Clubbing of fingers (long term hypoxia) Dyspnea on exertion (how much to elicit?) Cough (when? productive?) Orthopnea (how many pillows?) 8 EP7h, Med Surg Certification Review Day 2.pdf 9 EP7h, Med Surg Certification Review Day 2.pdf Auscultation Normal Bronchial Bronchovesicular Vesicular http://youtu.be/h7BtrWATfg8 10 EP7h, Med Surg Certification Review Day 2.pdf Auscultation (cont.) Abnormal Crackles Rhonchi Wheezes http://youtu.be/5JA6D1Mguh0 Pleural Friction Rub http://youtu.be/t2QE0O_exAQ 11 EP7h, Med Surg Certification Review Day 2.pdf Diagnostic Tests Radiographic CXR, CT Pulmonary Function Sputum Bronchoscopy Biopsy, thoracentesis V/Q Scan 12 EP7h, Med Surg Certification Review Day 2.pdf 13 EP7h, Med Surg Certification Review Day 2.pdf Acid Base Balance Arterial Blood Gases (ABG) pH Acidotic vs. alkalotic Compensated vs. uncompensated PaCO2 HCO3 14 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Acidosis Hypoventilation CNS depression Respiratory failure Lung disease Musculoskeletal disorders 15 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Alkalosis Hyperventilation Anxiety Hemorrhage Head injury Drug overdose Pregnancy Liver disease 16 EP7h, Med Surg Certification Review Day 2.pdf Metabolic Acidosis DKA Acute/chronic renal failure Hypoperfusion state Poisoning 17 EP7h, Med Surg Certification Review Day 2.pdf Metabolic Alkalosis Diuretic therapy Excessive antacid use NGT suction 18 EP7h, Med Surg Certification Review Day 2.pdf Peri-Op Concerns Respiratory patient is vulnerable to respiratory complications First 24 hours most dangerous Important to get lungs re-expanded Get patient up and moving ASAP 19 EP7h, Med Surg Certification Review Day 2.pdf Prevention Strategies Smoking Cessation Adequate nutrition Adequate fluid intake Avoid crowds/sick people Hand hygiene Flu/pneumonia vaccine Medication compliance 20 EP7h, Med Surg Certification Review Day 2.pdf COPD Group of lung disorders caused by flow limitation: Asthma Chronic Bronchitis Emphysema *Evaluate lung volumes via Spirometry 21 EP7h, Med Surg Certification Review Day 2.pdf Asthma Inflammatory airway constriction Episodic & chronic Signs & symptoms Treatment 22 EP7h, Med Surg Certification Review Day 2.pdf Chronic Bronchitis Definition Goblet cell hyperplasia Excess mucus blocks airways Treatment Hydration Chest PT Bronchodilators 23 EP7h, Med Surg Certification Review Day 2.pdf Emphysema Loss of alveolar elasticity-air trapping leading to barrel-chesting 15-20% people develop this due to genetic abnormality (never smoked!) Tri-pod sitting position and pursed-lipped breathing O2 dilemma Treatment 24 EP7h, Med Surg Certification Review Day 2.pdf Mixed Most patients seen on Med Surg floor have a combination of the two Therefore will have symptoms of both and need to be treated for both 25 EP7h, Med Surg Certification Review Day 2.pdf Other Conditions Pneumonia Lung Cancer Pulmonary Edema TB 26 EP7h, Med Surg Certification Review Day 2.pdf Pulmonary Emboli Risk Factors Virchow’s triad DVT Venous stasis Hypercoagulable state Endothelial damage 27 EP7h, Med Surg Certification Review Day 2.pdf Chest Trauma Principles of chest drainage system Uses: Pnuemothorax Tension pnuemothorax Flail chest Cardiac tamponade Thoracic surgery 28 EP7h, Med Surg Certification Review Day 2.pdf Chest Drainage http://www.atriummed.com/EN/chest_drainage/training/ managing-1/index.html http://www.atriummed.com/EN/chest_drainage/training/ managing-2/index.html http://www.atriummed.com/EN/chest_drainage/training/ managing-3/index.html http://www.atriummed.com/EN/chest_drainage/training/ managing-4/index.html http://www.atriummed.com/EN/chest_drainage/training/ managing-5/index.html http://www.atriummed.com/EN/chest_drainage/training/ managing-6/index.html 29 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Questions A. B. C. D. The inhaled route is preferred for drug delivery in asthma and COPD because: Administration by inhalation is easier than by mouth Onset of action of inhaled drugs is slower than by ingestion Inhaled drugs have a longer duration of action than oral drugs Side effects are fewer with inhaled compared to oral meds 30 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Questions A. B. C. D. What is the stimulus to the respiratory system in a patient with longstanding COPD? High serum CO2 level Low Serum O2 level Low serum CO2 level High serum O2 level 31 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Questions A. B. C. D. The mechanism chiefly responsible for right heart failure and cor pulmonale in advanced COPD is vasoconstriction due to: Acidosis Hypercapnia Hypoxemia Alkalosis 32 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Questions A. B. C. D. The appropriate action for a patient with a suspected tension pneumothorax is: Tracheal suctioning A V/Q scan Coughing & deep breathing Emergent evacuation of pleural air 33 EP7h, Med Surg Certification Review Day 2.pdf Respiratory Questions 1. 2. 3. 4. 5. 6. pH: 7.23 pH: 7.51 pH: 7.12 pH: 7.40 pH: 7.01 pH: 7.36 PaCO2: 32 PaCO2: 26 PaCO2: 29 PaCO2: 37 PaCO2: 61 PaCO2: 55 HCO3: 14 HCO3: 20 HCO3: 11 HCO3: 24 HCO3: 23 HCO3: 32 34 EP7h, Med Surg Certification Review Day 2.pdf Renal / Genitourinary Systems Anatomy and Physiology Kidney Genitourinary Female Male 35 EP7h, Med Surg Certification Review Day 2.pdf Kidneys, Ureters, Bladder and Urethra Kidneys Retroperitoneal 4-5” long Ureters Peristaltic waves push fluid Bladder Urethra 36 EP7h, Med Surg Certification Review Day 2.pdf Genitourinary Female Hormones Progesterone Estrogen Menstrual Cycle Menopause 37 EP7h, Med Surg Certification Review Day 2.pdf Genitourinary Male Testes Produces sperm and testosterone Prostate Fluid is alkaline95% of ejaculate Spermatogenesis Gender determination 38 EP7h, Med Surg Certification Review Day 2.pdf Assessment Urinary: Frequency, urgency, pain, dribbling, incontinence, hesitancy, nocturia and hematuria Objective: Urine color, odor, amount, bladder distention, electrolyte imbalance 39 EP7h, Med Surg Certification Review Day 2.pdf Diagnostic Studies: Urine pH, creatinine, BUN, GFR Cystography Angiography Biopsy Pap Pelvic US PSA BrCA 40 EP7h, Med Surg Certification Review Day 2.pdf Common Pathophysiology Acute Renal Failure Causes Hypoperfusion HF, hypovolemia, obstruction Drug Toxicity NSAIDS, aminoglycosides, radiographic dyes 41 EP7h, Med Surg Certification Review Day 2.pdf Acute Renal Failure (cont.) Stages Oliguria <30 ml/hr Duration up to 7 days – longer = worse outcome Tx:1500 (+output ) replacement, hourly I&O, dialysis is routine Diuretic May be >4L/hr Duration up to 2 weeks Tx: Baseline fluid (+ output), dialysis continues Recovery Duration is one year – renal status is vulnerable 42 EP7h, Med Surg Certification Review Day 2.pdf Common Pathophysiology Chronic Renal Disease Defined as damage (serum or urine abnormalities) or GFR <60ml/min/1.732 for 3 months Causes DM (most common) Glomerulonephritis 43 EP7h, Med Surg Certification Review Day 2.pdf Chronic Renal Disease (cont.) Stages I. II. III. IV. V. GFR 90 and above: diabetic with microalbuminurea GFR 60-89: elderly with mild decreased function GFR 30-59: (moderate) hypertensive with albuminurea GFR 15-29: (severe) “formal” renal disease dx GFR<15: (failure) 44 EP7h, Med Surg Certification Review Day 2.pdf Chronic Renal Disease (cont.) Treatment (Renal Replacement Therapies) Hemodialysis Assess weight, patency of shunt (Bruit & Thrill) Peritoneal dialysis Assess weight, color and clarity of drainage, catheter site Transplant Lifetime Immunosuppressants Meds Ca, erythropoietin, iron – watch Magnesium doses Diet Low protein (dairy/lean meats), high carb 45 EP7h, Med Surg Certification Review Day 2.pdf 46 EP7h, Med Surg Certification Review Day 2.pdf Infections Kidney Back/flank pain (not with urination) Pyuria Cloudy urine Bladder Pain with urination Cloudy urine Treatment Fluids, antibiotics, analgesics (Pyridium) 47 EP7h, Med Surg Certification Review Day 2.pdf Renal Calculi (Stones) Pain Severe enough to cause shock Occurs as ureters push obstruction forward Morphine and antiemetic may be needed Treatment Straining of urine (small gravel) Calcium phosphate stone – decrease dairy Calcium oxalate stone – decrease caffeine and grains 48 EP7h, Med Surg Certification Review Day 2.pdf Incontinence Types Stress Overactive bladder/urgency Overflow 49 EP7h, Med Surg Certification Review Day 2.pdf Incontinence Diagnosis Hx: Immobility, cognition, meds, obesity, smoking, environment Physical exam: Edema, bladder distention, mobility, cognition Labs: UA, C&S, BUN, creatinine, glucose Voiding record: Frequency, time of day Stress testing: Cough, Q-tip test, residual Urodynamic studies: See handout 50 EP7h, Med Surg Certification Review Day 2.pdf Treatment Correct underlying problem Meds Biofeedback, pelvic floor stimulation, perineometry Exercises Stress: Pseudoephedrine, estrogen Urge: Anticholenergics, antidepressants Behavioral Set schedule, surgery (BPH) Kegel’s Catheters/urine collection devices Last resort! 51 EP7h, Med Surg Certification Review Day 2.pdf 52 EP7h, Med Surg Certification Review Day 2.pdf Benign Prostatic Hyperplasia (BPH) Assessment Hesitancy, frequency, nocturia, bladder infections – may have complete blockage and need catheterization Treatment TURP, TULP, balloon dilation of ureter High fluid intake post-op Teach catheter care 53 EP7h, Med Surg Certification Review Day 2.pdf Health Promotion / Early Detection Breast Self-Exam Monthly inspection/palpation (at age 20) After menses or same day/month postmenopause Testicular Self-Exam Monthly (at age 15) as this cancer is #1 killer of young men ages 15-35 Palpation in shower Hx of undescended testes is risk factor 54 EP7h, Med Surg Certification Review Day 2.pdf Renal / Genitourinary Questions A. B. C. D. Sean Summers, 22, found a lump in his left testicle during a shower last week. After a visit to his MD, he was admitted to the hospital for a left orchiectomy and lymph node resection. He may have been at risk for testicular cancer if he had a hx of: Smoking Undescended testicles Multiple sex partners Genital trauma 55 EP7h, Med Surg Certification Review Day 2.pdf Renal / Genitourinary Questions A. B. C. D. Kathy White has pyelonephritis. The symptoms you would expect her to exhibit are: Burning upon urination, fever, malaise Pyuria, proteinuria, fatigue Glucosuria, malaise, +Blood cx Flank pain, increased WBC, fever 56 EP7h, Med Surg Certification Review Day 2.pdf Renal / Genitourinary Questions A. B. C. D. Gus Smith, 85, has chronic renal failure. He should be taught that his diet should include: High carb, moderate fat, low protein High fat, moderate carb, low protein High protein, moderate fat, low carb High fat, moderate carb, no protein 57 EP7h, Med Surg Certification Review Day 2.pdf Musculoskeletal 58 EP7h, Med Surg Certification Review Day 2.pdf Skeleton 206 bones Body’s framework Protection of vital organs Site for hematopoiesis (blood cell formation) Comprised of calcium phosphate (85%), calcium carbonate (7%), small amounts sodium and magnesium 59 EP7h, Med Surg Certification Review Day 2.pdf Soft Tissues Purpose is to maintain posture, stabilize joints and facilitate motion Muscle Visceral – walls of hollow organs Skeletal – Voluntary, conscious control Cardiac – Specialized, striated, short bursts of contractions over lifetime Smooth – Specialized to sustain long contractions over limited time (Uterine) Cartilage Tendons Ligaments 60 EP7h, Med Surg Certification Review Day 2.pdf Assessment Joint pain, edema, gait, activity & sensory deficits Inflammation, crepitus Equality of movement in UE and LE Assist devices: Casts, canes, braces Posture 61 EP7h, Med Surg Certification Review Day 2.pdf Diagnostics X-ray: Bone density, texture, erosion, alignment CT: More detailed Arthography: Joint contour through radiopaque dye Arthroscopy: Direct visualization Bone scan: Detects bone tumors, osteomyelitis, aseptic necrosis Synovial fluid aspiration: relieve pressure 62 EP7h, Med Surg Certification Review Day 2.pdf Degenerative Joint Disease / Osteoarthritis Signs and Symptoms Joint pain after exercise Stiffness, swelling, limited ROM May have deformity or instability May be sensitive to temp and humidity changes Nodules or bony prominences, especially at weight-bearing areas 63 EP7h, Med Surg Certification Review Day 2.pdf Degenerative Joint Disease / Osteoarthritis Treatment ASA, NSAIDS Analgesics Maintenance of functional alignment Cold for acute inflammation Heat as indicated Limit exercise during acute phase Add exercise as prescribed 64 EP7h, Med Surg Certification Review Day 2.pdf Pain Differentiation Osteoarthritis Pain after activity Relieved by rest Rheumatoid arthritis Pain after inactivity More likely to develop joint deformity and loss of function 65 EP7h, Med Surg Certification Review Day 2.pdf Rheumatoid Arthritis Auto-immune Also affects surrounding tissues Treatment includes steroids, chemo, immunosuppressants as well as NSAIDS and opioids 66 EP7h, Med Surg Certification Review Day 2.pdf Gout Uric acid deposits in synovial joints Aspiration to confirm Treatment Acute: Colchicine Chronic Reduce uric acid: Probenecid or sulfinpyrazone Block uric acid: Allopurinol Complication Renal calculi (stones) Diet: Decrease caffeine, grains, soda – Increase fluids 67 EP7h, Med Surg Certification Review Day 2.pdf Fractures 68 EP7h, Med Surg Certification Review Day 2.pdf Fracture Complications Fat embolism syndrome Hypoxia, tachypnea, tachycardia, fever Change in LOC Chest pain, cough, copious thick white sputum CXR reveals “snowstorm” Risks Men 20-30 Long bone fx Treatment: Supportive…Death from ARDS 69 EP7h, Med Surg Certification Review Day 2.pdf Compartment Syndrome Asymmetric symptoms: Site of injury Severe, unrelenting PAIN Cold pale extremity PALLOR Diminished sensation/numbness PARASTHESIA Inability to move extremity PARALYSIS Absence of pulses below the occlusion PULSELESSNESS 70 EP7h, Med Surg Certification Review Day 2.pdf Osteomyelitis Infection Secondary Recent trauma, diabetes, drug abuse Localized symptoms Redness, swelling, tenderness, fever, malaise, purulent drainage Treatment IV antibiotics (12 weeks) I&D of site Bone graft 71 EP7h, Med Surg Certification Review Day 2.pdf Traction Skeletal Applied to bone with pins, wires or tongs Balanced suspension Approximation of femur, tibia or fibula Used with skin or skeletal traction Patient is NOT the counterforce Two people to move patient; one to hold the weight, one to move the patient 72 EP7h, Med Surg Certification Review Day 2.pdf 73 EP7h, Med Surg Certification Review Day 2.pdf Traction Nursing Care Clean pin sites Integrity of skin traction Body alignment Weights hanging freely Ropes/pulleys free from interference Do not remove/lift weights unless traction is maintained 74 EP7h, Med Surg Certification Review Day 2.pdf Hip Surgery-Replacement Pre-op Assessment VS WBC CMS DVT PE Pain 75 EP7h, Med Surg Certification Review Day 2.pdf Hip Surgery-Replacement Post-op Assessment VS WBC DVT, PE Drainage (dressing/drains) Anticoag Abduction Prevention of flexion >90 degrees NO leg crossing TEDs NO internal/external rotation for 6-12 months Crutch/walker/cane as needed 76 EP7h, Med Surg Certification Review Day 2.pdf Musculoskeletal Questions A. B. C. D. Justin Lord, a 15 year old who is post-op following a repair of bilateral femur fractures is complaining of chest pain, appears afraid and has a RR of 64. He may be experiencing: Anxiety Fat emboli Tension pneumothorax Curling’s (stress) ulcer 77 EP7h, Med Surg Certification Review Day 2.pdf Musculoskeletal Questions Dorothy is ready to go home and you are validating her hip precaution education. Which of the following statements indicates that she has learned proper hip precautions? A. “When I stand up, I will point my feet toward each other.” “My toilet at home is fine for me to sit on.” “It is OK for me to pick up things off the flor when I drop them.” “I will use a long-handled reacher to pull up the blankets over me at night.” B. C. D. 78 EP7h, Med Surg Certification Review Day 2.pdf Integumentary Epidermis Dermis Subcutaneous Function Protection Appendages Hair Glands 79 EP7h, Med Surg Certification Review Day 2.pdf History and Diagnostics History Pain, rash, changes in moles, past sunburns Inspection Color, integrity, moles, old scars, hair growth (legs) Palpation Turgor, moisture, temperature Diagnostic studies Biopsy, patch test 80 EP7h, Med Surg Certification Review Day 2.pdf Dermatologic Conditions Psoriasis Scleroderma Herpes Zoster (Shingles) Skin Cancer Burns 81 EP7h, Med Surg Certification Review Day 2.pdf Common Interventions Skin grafts Autologous, cadaver Fasciotomy Used to treat crushing injury-layers are removed to reduce edema-heals by third intention Patient education Antibiotics, wound care, preventing infection 82 EP7h, Med Surg Certification Review Day 2.pdf Wound Healing Intention Primary Approximated Secondary Infected NOT Approximated Granulation healing Tertiary Dehiscence Two opposing sides 83 EP7h, Med Surg Certification Review Day 2.pdf Integumentary Questions You are to apply skin cream to a rash on a patient’s arm. You know you will need to: A. Apply the cream in the opposite direction of the hair growth B. Place a thin rather than thick layer of cream C. Make sure you rub it in thoroughly D. Cover it with a dressing 84 EP7h, Med Surg Certification Review Day 2.pdf Integumentary Questions A. B. C. D. Alice Snow, 73, is one day post-op from a colon resection. She is walking in the hallway when she states that she believes her incision has “given way.” You find her incision has eviscerated and you first: Apply an abdominal binder Apply pressure to the incision Cover the wound with a sterile dressing Place her in a supine position 85 EP7h, Med Surg Certification Review Day 2.pdf Endocrine System Regulation of Metabolism Regulation of Fluids and Electrolytes Procreation Glucose Levels Management of Stress Response Excretion of Hormones 86 EP7h, Med Surg Certification Review Day 2.pdf Brain Hypothalamus Pituitary 87 EP7h, Med Surg Certification Review Day 2.pdf Body Thyroid Parathyroid Pancreas Adrenals 88 EP7h, Med Surg Certification Review Day 2.pdf Assessment History Objective Inspection Palpation Lab ADL’s 89 EP7h, Med Surg Certification Review Day 2.pdf Cushing’s Syndrome Primary Adrenal Glands (too much) Excessive cortisol Sex hormones Increased aldosterone Secondary Secondary May be caused by pituitary dysfunction 90 EP7h, Med Surg Certification Review Day 2.pdf Addison’s Primary Adrenal cortex (hypofunction) Low cortisol Secondary Pituitary Hyposecretion of ACTH Tumor Decreased supply vs. increased demand 91 EP7h, Med Surg Certification Review Day 2.pdf Hyperthyroidism Overactive TSH vs. T3/T4 Signs & symptoms Increased metabolic rate: high BP, tachycardia, exophthalmoses, weight loss, tremor, heat intolerance Management Antithyroid meds Radioactive iodine Thyroidectomy 92 EP7h, Med Surg Certification Review Day 2.pdf Hypothyroidism Under secretion of TSH vs. T3/T4 Signs and Symptoms Decreased metabolic rate: Fatigue, weight gain, cold intolerance, bradycardia, hypotension, slowed mentation Management Thyroid replacement 93 EP7h, Med Surg Certification Review Day 2.pdf Diabetes Mellitus •Defect in insulin secretion, action or both •Characterized by Hyperglycemia Type 1 No insulin Autoimmune Beta cell destruction Ketoacidosis Treatment: Insulin Type 2 Insulin deficiency Insulin resistance Beta cell deficiency HHNKS Treatment: Antidiabetic agents or Insulin 94 EP7h, Med Surg Certification Review Day 2.pdf Goals Maintain normal serum glucose level Mimic normal body response to glucose/insulin Fasting 70-120 Post-prandial 100-140 HgB A1C <6.5% 95 EP7h, Med Surg Certification Review Day 2.pdf Complications of DM Risk for Arterial disease CVD Chronic renal disease (Stage I, after dx) PVD Neuropathies Retinopathies 96 EP7h, Med Surg Certification Review Day 2.pdf Treatment / Nursing Implications Nutrition & Exercise Consistency/Balance Carb, Protein & Fat for meals/snacks Portion size 4-5 hours between meals Snack if >5 hours between meals HS snack (with insulin) 97 EP7h, Med Surg Certification Review Day 2.pdf Treatment / Nursing Implications GOAL: to achieve normal metabolic control Insulin types based on acting times Rapid Lispro “OG” (novolog, humolog) Only Give w/meals Short Intermediate Regular NPH, 70/30 mix Long acting Ultralente, lantus Know onset and peak! 98 EP7h, Med Surg Certification Review Day 2.pdf Diabetic Ketoacidosis (DKA) Caused by: Occurs in type 1 Lack of insulin Infection/illness Cell starvation Ketone production Acidotic K+ rises Hypovolemia Signs & Symptoms “Poly’s” Arrhythmias (K+) GI discomfort Muscle irritability Kussmal resp Fruity breath Serum glucose >250 Lethargy/decreased LOC 99 EP7h, Med Surg Certification Review Day 2.pdf Hyperosmolar Hyperglycemic Non-Ketotic Syndrome (HHNKS) Occurs in type 2 Severe-requires hospitalization Serum glucose 8001200 No ketosis due presence of some insulin Same as DKA Except No fruity breath No ketosis Severe hypovolemia Mortality high (60-70%) 100 EP7h, Med Surg Certification Review Day 2.pdf Primary Tx for DKA and HHNKS IV access 1. Fluid (NS) • 2. Insulin bolus 1. 2. 3. 3. MUST start drip within 10 minutes Avoids rebound hyperglycemia Stops catabolic metabolism Hang insulin drip 1. Short half-life (10-20 min) 101 EP7h, Med Surg Certification Review Day 2.pdf Hypoglycemia Serum glucose <50 First Symptoms (CV) Shakiness, palpitations, diaphoresis, nausea Second Symptoms (CNS) Slurred speech, decreased LOC, personality changes, irritability Brain needs glucose, NOT insulin Risk for coma! 102 EP7h, Med Surg Certification Review Day 2.pdf Treatment 15 Grams of liquid carbs Juice (no OJ for renal patients…K+) Glucose gel If NPO, 25ml D50 IVP If meal is > 1 hour, add 1 starchy carb + 1 protein Juice followed by milk Frosting followed by cheese 103 EP7h, Med Surg Certification Review Day 2.pdf Endocrine System Questions Brad Scott, 25, has received 10 units of NPH insulin this morning. You would expect the peak time to occur at: A. Lunch B. Dinner C. Middle of night D. Breakfast tomorrow 104 EP7h, Med Surg Certification Review Day 2.pdf Endocrine System Questions A. B. C. D. A patient two days post-crani for removal of tumor is awake and talking with no neurological deficit. BP 110/80, HR 92, RR 22. Urine output has been 60/hr X two days. The patient has had U.O. of 200-400 ml/hr X three hours. Spec Gravity is 1.0002, serum glucose 100. What does the nurse suspect? DM SIADH Acute renal crisis DI 105 EP7h, Med Surg Certification Review Day 2.pdf Endocrine System Questions A. B. C. D. If the previous condition continues, what would the nurse expect the urine and serum osmolality to be? Both up Both down Urine down, serum up Urine up, serum down 106 EP7h, Med Surg Certification Review Day 2.pdf Endocrine System Questions A. B. C. D. A 52 year old female is brought to the ED by her husband. She is lethargic, BP 90/40, HR 52, RR 12. Husband states she has a hx of COPD and takes 30 mg prednisone 2X/day and abruptly stopped taking it. The nurse suspects she may be in adrenal crisis and monitors the patient for: Hypernatremia, hyperglycemia, hypokalemia Hyponatremia, hypoglycemia, hypokalemia Hypernatremia, hyperkalemia, hyperglycemia Hyponatremia, hyperkalemia, hypoglycemia 107 EP7h, Med Surg Certification Review Day 2.pdf Endocrine System Questions A 16 year old female with a history of type 1 diabetes is admitted to your unit. Her friend states that she has had a cold for the last few days then began vomiting last night. She is now lethargic. The most likely cause of DKA in this patient is which of the following? A. Puberty B. Insulin omission C. Infection D. Dehydration 108 EP7h, Med Surg Certification Review Day 2.pdf Neurologic System Anatomy and Physiology Neuron Receives and transmits impulses Cell body Dendrites Axons Myelin Sheath 109 EP7h, Med Surg Certification Review Day 2.pdf Components Central Nervous System (CNS) Brain and spinal cord “Control Center” for the body Peripheral Nervous System (PNS) Cranial and spinal nerves Connect CNS to body via pathways “Messenger” 110 EP7h, Med Surg Certification Review Day 2.pdf Central Nervous System Protection Skull and vertebral column CSF Clear, colorless, odorless fluid Acts as cushion, shock absorber Nutrition delivery/waste removal Meninges Connective tissue Three layer/three spaces Blood-brain barrier Selective capillary permeability 111 EP7h, Med Surg Certification Review Day 2.pdf Peripheral Nervous System Sympathetic Releases norepinephrine (adrenaline) “Fight” or “Flight” response Parasympathetic Releases acetylcholine Conservation, restoration and maintenance Returns body to normal state 112 EP7h, Med Surg Certification Review Day 2.pdf Increasing ICP Subtle changes-early signs Changes in LOC Loss of detail Restlessness Papillary changes Motor changes/projectile vomiting 113 EP7h, Med Surg Certification Review Day 2.pdf Increasing ICP (cont.) Late signs Widening pulse pressure Bradycardia (<50) Abnormal respirations Fixed/dilated pupils 114 EP7h, Med Surg Certification Review Day 2.pdf Increasing ICP (cont.) Treatment Osmotic diuretics Loop diuretics Corticosteroids Anticonvulsants Antihypertensives Stool softeners Surgery 115 EP7h, Med Surg Certification Review Day 2.pdf Posturing 116 EP7h, Med Surg Certification Review Day 2.pdf Diagnostic Studies X-ray CT US MRI PET scan EEG Invasive diagnostic studies 117 EP7h, Med Surg Certification Review Day 2.pdf Meningitis Inflammation or infection of the meninges Pathogenic Inflammatory reaction Formation of exudates Exudates obstruct CSF flow increased ICP Congestion/edema form in surrounding tissue 118 EP7h, Med Surg Certification Review Day 2.pdf Treatment and Nursing Implications IV antibiotics or antivirals Fluid & electrolyte balance Frequent neuro checks Anticonvulsants Analgesic/antipyretic Corticosteroids Environmental modifications Respiratory isolation X24 hours 119 EP7h, Med Surg Certification Review Day 2.pdf Spinal Cord Injuries Edema Spinal shock Autonomic dysreflexia Above the level of injury Diaphoresis Nasal congestion Throbbing HA Hypertension Blurred vision Facial flushing Bradycardia Treatment: Remove the stimulus (full bowel, bladder) 120