Concept Map * Risk Factors: pre-existing respiratory disease (eg., asthma, pneumonia) cardiovascular disease Other risk factors include: increasing age mastocytosis patients (Regateiro et al., 2020) a family history of anaphylaxis allergies or asthma a previous anaphylactic reaction (Biggers, 2019) * Etiology: Common cause of Anaphylaxis for Mr. K.B. is his prescribed antibiotic of Ceftriaxone 1 gram IV q 12 hours. According to El Hussein & Osuji (2020), the most common causes of anaphylaxis include antibiotic medications, certain foods (eg., peanuts, tree nuts, shellfish, fish, milk, eggs, soy or wheat), insect stings (eg., bees, hornets, or ants), latex (eg., medical and non-medical products containing latex) or from other pharmaceutical/biologic agents (eg., animal serums). But for Mr. K.B. case, the etiology of his anaphylaxis reaction is due to administration of his antibiotic that is used to treat for his Pneumonia. * Specific pathophysiology for Mr. K.B.: Anaphylaxis is caused by the interaction of a foreign antigen (eg., food or medications) with specific immunoglobulin IgE antibodies that can be found on the surface membrane of mast cells and peripheral blood basophils (El Hussein & Osuji, 2020). Then it follows with the abrupt release of histamine and other bioactive mediators that causes activation of platelets, eosinophils and neutrophils. The sudden release of pro-inflammatory mediators causes vascular permeability changes such as flushing, urticaria, angioedema, hypotension and bronchoconstriction that signalize an anaphylaxis reaction. (El Hussein & Osuji, 2020). * Sign & Symptoms: Respiratory: Coughing, Dyspnea, Tachypnea, Wheezing, Hoarseness, Stridor, Sensation of narrowed airway Cardiovascular: Tachycardia, Dysrhythmias Skin: Urticaria, Pruritus, Erythema Neurological: Feeling like there is an impending doom. (Lewis et al., 2019) Symptoms vary from appearing flush, skin warmth to touch, rash, itchiness, feeling anxious, cough and wheezing to severe systemic reactions such as bronchospasm, laryngeal edema, dyspnea, cyanosis and hypotension (“Medical Scenario 1: Kenneth Bronson”, n.d.). * Medical Management (Pharmacological/Surgical) Pharmacological includes Epinephrine, Diphenhydramine, Albuterol nebulizer, Ranitide, Methylprednisolone. Assessment/Intervention Epinephrine: Assess lung sounds and monitor vital signs such as respiration rate, pulse, BP before administration and during the peak of the medication. Observe for paradoxical bronchospasm or wheezing. If the condition worsens, withhold medication and notify the physician right away. (see below for continuation) Respiratory failure from severe bronchospasm or laryngeal edema can cause hypoxia which results to brain damage/injury if not treated right away Anaphylactic shock can block airways and prevent a person from breathing. It can stop the heart due to the decrease in blood pressure that prevents the heart from receiving enough oxygen to sustain other organs. Therefore, brain damage, kidney failure, cardiogenic shock, respiratory failure, arrhythmias, heart attack and death can occur if not treated promptly. (Biggers, 2019) * Nursing Management/Care: Ineffective Airway Clearance related to bronchospasm and laryngeal edema. Diagnosis of Mr. K.B.: Anaphylaxis *Assessment Findings: Subjective Data: 27-year-old male admitted to Medical Unit with right lower lobe pneumonia. Symptoms: complain of cough, chest tightness, difficulty breathing. Pain scale score 2/10 Patient states that he has no known allergies on admission. Newly discovered allergy to Ceftriaxone Tobacco smoker "2 packs a day for the past 10 years". States has no medical problems During anaphylaxis reaction to antibiotic: "I feel like my throat is swelling, I cant breathe" , "I feel kind of lightheaded". Objective Data: (see next page) *Potential Complications: Auscultate breath sounds q 1-4 hours Monitor respiratory patterns including rate, depth and effort Monitor blood gas values and pulse oxygen saturation levels as available. O2 sat less than 90% or partial pressure of O2 of <80 mm Hg indicates significant oxygenation problems. Position patient in an upright position. Administer bronchodilators (eg., Albuterol) as ordered. Administer oxygen as ordered. (Ackley et al., 2017) *Labs/Diagnostic Tests: ECG Cardiac Monitoring (“Medical Scenario 1: Kenneth Bronson”, n.d.). Laboratory tests: Clinical diagnosis of anaphylaxis can be sometimes be supported by serum tryptase, plasma histamine and future tests such as mature beta-tryptase Serum tryptase: ideally blood sample must be obtained from 15 minutes to 3 hrs after the onset of symptoms. Plasma histamine And future tests such as laboratory test for mature beta-tryptase - a better marker of mast cell activation than total serum trytase. However, this is not widely available. (Chapman & Lalkhen, 2016) * Teaching: Goal of teaching is to prevent measures to decrease risk of repeat episodes of Anaphylaxis Nurse must educate Mr. K.B. about the medication that induces his anaphylaxis reaction. The patient must be instructed about the antigen that should be avoided which was Ceftriaxone. The nurse educates Mr. K.B. and his family in the use of epinephrine and has the patient and family demonstrate the correct administration of the medication. (El Hussein & Osuji, 2020). * Medical Management (continuation): The onset of action is usually 3-5 minutes and intramuscular administration into the anterolateral thigh is the preferred route. This should be administered promptly at the onset of bronchospasm (Pflipsen & Colon, 2020). Epinephrine autoinjectors are advantageous because of quick use to administer and this decreases dosing errors (Pflipsen & Colon, 2020). The most common adverse effects include agitation, anxiety, tremulousness, headache, dizziness, pallor and palpitations (Pflipsen & Colon, 2020). Assessment/Intervention Diphenhydramine medication: May cause drowsiness. Avoid other activities requiring alertness until response to drug is known. Assess for urticaria and for patency of the airway. (David Plus, 2015) Assessment/Intervention Albuterol medication: Assess lung sounds and vital signs before administration and during peak of medication. Observe for wheezing. If the condition worsens, withhold medication and notify MD. For nebulizer, compressed air or oxygen flow should be around 6-10 L/min; a single treatment of 3ml lasts about 10 minutes. (David Plus, 2015) Assessment/Intervention Ranitide/Methylprednisolone medication: Histamine H1 and H2 antagonists and corticosteroids are not an effective first-line treatment for anaphylaxis. It is only recommended that these medications used only as an addition to epinephrine. Antihistamines have onset of action of 1-2 hours. They improve cutaneous erythema and decrease itchiness but they have not shown to reverse upper airway obstruction. The onset of corticosteroids is approximately 6 hours and they have little to no effect on initial signs and symptoms of anaphylaxis. It is used for the reduction of biphasic reactions (recurrent anaphylaxis reaction) and decreases the length of hospital stay (Pflipsen & Colon, 2020). * Nursing Management/Care (continuation): *Assessment Findings (continuation): Objective Data: During medical unit admission: BP=137/82 mmHg, O2 sat=95% room air, HR= 96, T=39.1, RR = 17 bpm. There is normal skin turgor, sweating, skin is warm. Liver is not enlarged. Chest xray revealed right lower lobe pneumonia. After administration of antibiotic: Respiratory: Dyspnea, Laryngeal edema, Airway obstruction, Increased respiratory effort. Integumentary: Urticarial rashes on chest. Vital signs: HR=150 bpm strong and regular, BP= 144/80 mm Hg,RR=34 bpm, O2 sat = 89% via albuterol nebulizer 6 L/min oxygen, T=39.1 Nurse initial action is to assess the patient’s sign and symptoms of anaphylaxis. Assess the airway, breathing pattern and vital signs. Nurse must stopped infusion of the antibiotic when an anaphylactic reaction had developed. Nurse observed K.B. for level of consciousness, cardiac rhythm, increasing edema and respiratory distress. Nurse to notify physician right away and follow MD orders such as administration of emergency medications (eg., epinephrine, diphenhydramine, histamine blockers, etc.), fluid and oxygen administration. Education: Since K.B. has recovered from anaphylaxis, he needs an explanation of what occurred and instruction about avoiding future exposure to antigens and how to administer emergency medications to treat his anaphylaxis. (El Hussein & Osuji, 2020). REFERENCES: Ackley, B. J., Ladwig, G.B., & Makic, M.B.F. (2017). Nursing diagnosis handbook: An evidence-based guide to planning care (11th ed.). Elsevier. Biggers, A. (2019, March 22). Anaphylactic Shock: What You Need to Know. Healthline. https://www.healthline.com/health/anaphylactic-shock Chapman, J., & Lalkhen, A. (2016). Anaphylaxis. Anaesthesia and Intensive Care Medicine, 18(1), 16–21. https://doi.org/10.1016/j.mpaic.2016.10.008 David Plus. (2015). Albuterol. https://davisplus.fadavis.com/3976/meddeck/pdf/albuterol.pdf David Plus. (2015). Diphenhydramine. https://davisplus.fadavis.com/3976/meddeck/pdf/diphenhydramine.pdf El Hussein, M., & Osuji, J. (2020). Brunner & Suddarth’s Canadian Textbook of Medical-Surgical Nursing (4th ed.). Lippincott Williams & Wilkins. Lewis, S. L., Bucher, L., MacLean Heitkemper, M., Harding, M. M., Barry, M., Lok, J., Tyerman, J., & Goldsworthy, S. (Eds.). (2019). Medical-Surgical Nursing in Canada: Assessment and Management of Clinical Problems (4th ed.). Elsevier Canada. Medical Scenario 1: Kenneth Bronson. (n.d.). The point: Vsim for Nursing. https://thepoint.lww.com/Book/Show/446600? focus=vs#/CoursePointContent/Show/b4489068-e2aa-4ef7-becf-37ea013d7e7b?forceView=False&viewMode=Student&productAssetId=c7c81e79b0cd-4128-865b-375a0103c8c4&behavior=Display&ts=1601413561439 Pflipsen, M. C., & Colon, K. M. V. (2020, September 15). Anaphylaxis: Recognition and Management. American Family Physician, 102(6), 355-362. https://link.gale.com/apps/doc/A636080244/AONE?u=ko_acd_can&sid=AONE&xid=2822e657 Regateiro, F. S., Marques M. L., & Gomes E. R. (2020, May 12). Drug-Induced Anaphylaxis: An Update on Epidemiology and Risk Factors. International Archives of Allergy and Immunology, 181(7), 481-487. https://doi.org/10.1159/000507445 * Teaching (continuation): Patient measures: Mr. K.B. must be educated on the sign and symptoms of anaphylaxis reactions such as shortness of breath/trouble breathing, rash, itchiness, or upper airway obstruction from swelling of the tongue, larynx. Maintain a current and appropriately dosed epinephrine auto-injector near where the patient spends most of his time. Mr. K.B. must take it when travelling and keep a placebo trainer for education. Mr. K.B. with medication-induced anaphylaxis must strongly avoid the offending medication and those with known cross reactivity. Educate Mr. K.B. on the importance of wearing a medical alert bracelet to prevent the administration of the offending drug. (Pflipsen & Colon, 2020)