(IV Medications and Others) IV Flow Rates B. Amiodarone A. (mL/hr) 𝐓𝐨𝐭𝐚𝐥 𝐢𝐧𝐟𝐮𝐬𝐢𝐨𝐧 𝐯𝐨𝐥𝐮𝐦𝐞 (𝐦𝐋) 𝐦𝐋/𝐡𝐫 = 𝐓𝐨𝐭𝐚𝐥 𝐢𝐧𝐟𝐮𝐬𝐢𝐨𝐧 𝐭𝐢𝐦𝐞 (𝐡𝐨𝐮𝐫) B. Drops per minute (gtss/min) Common drop factors: Macro 10 gtt 1 mL 15 gtt 1 mL 20 gtt 1 mL Micro 60 gtt 1 mL *In Macro, 15, 20 most commonly used factor. For blood transfusion, 18 or 18 gtt used (𝐓𝐨𝐭𝐚𝐥 𝐕𝐨𝐥𝐮𝐦𝐞)(𝐃𝐫𝐨𝐩 𝐅𝐚𝐜𝐭𝐨𝐫) 𝐠𝐭𝐬𝐬/𝐦𝐢𝐧 = 𝐓𝐢𝐦𝐞 𝐢𝐧 𝐌𝐢𝐧𝐮𝐭𝐞𝐬 Formulas in Medical Administration A. For Oral Medications Q= D S Where: Q = Amount to give S = Stock Dose Desired Dose B. For Parenteral Medications X = D (Dilution) S Where: D = desired dose S = stock dose X = amount to give IV Medications Preparation: 150 mg/3 ml vial Loading Dose: 5-10 mg/kg body weight/24 hour or 500 - 1000 mg in 24 hours Maximum Dose: 100o mg/24 hours Orders: Give 150 mg slow IV push over 1030 minutes followed by D5W 250 mL + 150 - 300 mg IV Amiodarone to run 24 hours * No more than 6 additional boluses should be given in any 24 hour period may be given C. Clonidine (Catapres Drip) Concentration = 150 ug/ml ampule D5W 250 ml + Catapres 2 amps (150 mg/amp) at 5-30 ugtss/min D. Clonidine/Hydrazaline D5W 250 ml + Apresoline 2 amps (20 mg/amp) + Catapres 2 amps (150 mg/amp) at 5-30 ugtss/min (up to 60 ugtss/min) E. Diazepam D5W 100 ml + Diazepam 10 mg q 6 hours Maximum = 60 mg/day F. Dobutamine 250mg/amp in 250mL D5W ugtt/min = ug/kg/min x wt in kg G. Dopamine D5W 250 mL + Aminophylline 250 mg/amp at 15-40 ugtts/min Preparation: D5W 250 mL + Dopamine 200 mg/amp at 10-60 ugtts/min Dosage: Drip of 2.5-10 mcg/kg/min is equivalent to 9-38 ugtss/min for a 50 kg patient Loading Dose: 5 mg/kg BW in 30 ml D5W in a soluset Usual maintenance: Drip of 0.4-0.8 mg/kg/hr = 20-40 ugtss/min for a 50 kg patient drip mcg x BW 13.3 *If with CHF may use double dose at max rate of 30 ugtss/min A. Aminophylline ugtss/min = body weight x dose ugtss/min = (IV Medications and Others) H. Epinephrine Preparation: D5W 250 mL + 1 amp (1 mg) Epi at 15-150 ugtts/min Dosage: : Drip of 1-10 mcg/min = 15-150 ugtt/min I. initially followed by 5-10 mg every 20 min to maximum of 40 mg Drip D5W 250mL + 2 amps @ 5-30gtts/min Maximum dose of 3.5 mg/kg/24hrs Esmolol Preparation: 100 mg/10 ml vial Concentration: 10 mg/ml Loading Dose : 0.5 mg or 500 mcg/kg/min Maintenance Dose: 25-200 mcg/kg/min Start at 5- mcg/kg/min over 4 min J. Furosemide Preparation: D5W 250 ml + Furosemide high dose 250 mg/amp at 5-30 ugtss/min Concentration: 50 units/mL Dosage: : Drip of 5-30 ugtss/min = 5-30 mg/hr K. Heparin N APTT: 1.5-2.5 : Bolus of 80 ‘u’/kg : Drip 10,000 ‘u’ + 98cc D5W 18 u kg = = ugtt/min or cc/hr hr 100 Titration: >3 stop for 1hr, then 3u/kg/hr 2.5-3= 2 1.5-2.5= maintain 1.2-1.5= 2 ’u’ <1.2 = 4 ’u’ L. Hydergine D5NM 1 L + 6 amps hydergine x 16 − 24 hours x 3 Doses M. Hydralazine in hypertensive emergencies: IV boluses of 10-20 mg, repeated as necessary at 15 min intervals, to a maximum of 50 mg. Can also be given as an infusion: 0.5-1 mg/min in pre-ecplamsia for control of BP: 5 mg IV N. Insulin Preparation 1. Add 50 units (u) regular insulin to 250cc Normal Saline (NS) 2. This will make 1u insulin/5cc NS (0.2u/cc) Infusion 1. Start at 0.1u/kg/hr (0.5cc/kg/hr) 2. Half life of insulin is approximately 5 minutes 3. Insulin levels return to baseline within 10 minutes of stopping infusion and no further fall in glucose then occurs 4. Aim for a steady fall in glucose of approximately 100mg/hr a. Avoid dropping glucose too fast b. It can result in hypoglycemia and cerebral edema with herniation (secondary to the presence of idiogenic osmols in the brain) If Glucose is 121 - 150: Give 2 unit bolus injection and start drip at 2 units/hr. If Glucose is 151 - 175: Give 3 unit bolus injection and start drip at 2 units/hr. If Glucose is 176 - 200: Give 4 unit bolus injection and start drip at 3 units/hr. If Glucose is 201 - 250: Give 6 unit bolus injection and start drip at 3 units/hr. If Glucose is 251 - 300: Give 8 unit bolus injection and start drip at 4 units/hr. If Glucose is 301 - 350: Give 10 unit bolus injection and start drip at 4 units/hr. If Glucose is 351 - 400: Give 12 unit bolus injection and start drip at 5 units/hr. If Glucose is above 401: Give 15 unit bolus injection and start drip at 5 units/hr. Accuchecks q 1 hr. until Glucose is “steadystate” between 80 - 150, then q 2hrs ATC. Adjust Drip Rate as Necessary to fit Target Parameters (IV Medications and Others) O. Isosorbide Dinitrate a. D5W90mL + Isoket 10mg in soluset Drip of 10-50 ugtts/min is equal to 1-5mg/hr b. if with CHF, use 2x dose: D5W + Isoket 20mg in soluset Drip of 5-25 ugtts/min is equal to 1- 5mg/hr P. Lidocaine Preparation: D5W 250 ml + Lidocaine 1 gm at 15-60 ugtts/min Concentration: 4 mg/ml Dosage: Drip of 15-60 ugtss/min = 104 mcg/min Loading Dose: 1 mg/kg IV initial control, followed by maintenance infusion of 1 to 3 mg/hr. IV to PO conversion: 20mg orally q8h= 0.5 mg/hr 30mg orally q8h= 1.2 mg/hr 40mg orally q8h= 2.2 mg/hr Supplied: 25 mg/10 ml ampule U. Nitroglycerin Preparation: 50 mg/ 250 ml 0 to 100 mg/ 250 ml (glass) (Max conc: 0.4 mg/ml) Titrate D5W Dosage: : (HTN/ CHF/ angina): initial infusion rate 5 mcg/min. May increase by 5 mcg/min every 3 to 5 minutes until response. If 20 mcg/minute is inadequate, increase by 10 to 20 mcg/min every 3 to 5 minutes. ugtss/min = dose x 15 50 mg mcg = (0.3) 250 mL min Q. Magnesium Sulfate Drip Preparation: D5W 250 ml + 2 gm MgSO4 at 20 ml/hr Concentration: 250 mg/ml z 10 ml ampule = 2.5 gm/ampule R. Midazolam Preparation: 15 mg/3 ml amp, 5 mg/5ml amp, 5 mg/ml amp PNSS or D5W 250 ml + midazolam 50 mg at 1/3 mg/hr S. Morphine Sulfate Preparation: PNSS 50 ml + 1 amp Morphine Sulfate (16 mg/amp) at 6 ugtss/min (2 mg/hr) As needed: May give 1-3 mg morphine sulfate SCN prn T. Nicardipine (Cardene) bolus 1mg/iv, pag drip 10mg to make 100cc d5w/pnss, at 10-15cc/hr, then titrate to effect Preparation: 25 mg/ 240 ml (Total vol= 250 ml) Titrate D5W / NS Dosage: Treat hypertension: initially 5 mg/hr-if not effective increase dose 2.5 mg/hr every 5 to 15 minutes to a maximum of 15 mg/hour. Postop hypertension: 10 to 15 mg/hour for (eg 5 mcg/min=@ 2ml/hr ; 20mcg/min = 6 ml/hr etc.) V. Nitroprusside Drip Preparation: D5W 250 ml + Nitroprusside 50 mg as side drip at 5-30 ugtss/min Dosage: Drip of 0.5-8 mcg/kg/min = 8-120 ugtss/min for a 50 kg patient ugtss/min = Dose x body weight in kg / 3.3 W. Norepinephrine (Levophed) Preparation: 8 mg/ 250 ml (4 to 16 mg/ 250 ml) Titrate D5W Dosage: initially 8 to 12 mcg/min -titrate to blood pressure Usual target: SBP: 80-100 or MAP=80 Usual maintenance: 2 to 4 mcg/min 8 mg mcg = (1.875) 250 mL min X. Pentoxifylline D5W 250-500 ml + 1 amp Pentoxifylline 300 mg x 6 hours for 1 dose then PO Pentpoxifylline 400 mg 1 tab TID (IV Medications and Others) D5W 500 ml + 3 amps Pentoxifylline (900 mg) x 24 hours Y. Sodium Bicarbonate Parkland Forumula = (4 cm3 of crystalloid) X (% BSA burn) X (body weight in kg) D5W 250 ml + NaHC03 1 amp (8.4% - 50 ml vial) X 12-24 hours (or at 20-40 ugtss/min) Z. Somatostatin *One half of the calculated fluid requirement is administered in the first 8 hours, and the balance is given over the remaining 16 hours. * Urine output should be maintained at 0.5 cm3/kg/h. Give 250 mcg slow iv then D5W 500 ml + 3 mg Somatostatin at 42 ml/hr (250 mcg/hr) or D5W 250 ml + 3 mg Somatostatin at 21 ml/hr (250 mcg/hr) AA. Streptokinase Steptokinase 1.5 million units + D5W 90 ml at 100 ml/hr (1 hr running rate) A. Burns for Children Maintenance fluid = (100 cc/kg/day for first 10 kg) + (50 cc/kg/day for second 10 kg) + (20 cc/kg/day for weight in excess of 20 kg) Maintain urine output at 1cc/kg/hr A. GCS Glascow Coma Scale BB. Terbutaline Preparation: D5 W 250 ml + 5 amps Bricanyl at 10-30 ugtss/min Activity Score Eye Opening Others A. Burns (Rule of Nines) Verbal Motor C. Parkland Formula Infants Children and Adults 4 Spontaneous Spontaneous 3 To speech or sound To speech 2 To painful stimuli To painful stimuli 1 None None 5 Appropriate words or sounds, social smile, fixes and follows Oriented 4 Cries, but consolable Confused 3 Persistently irritable Inappropriate words 2 Restless, agitated Incomprehensible sounds 1 None None 6 Spontaneous Obeys commands movement 5 Localizes to pain Localizes to pain 4 Withdraws to pain Withdraws to pain 3 Abnormal flexion Abnormal flexion (decorticate) (IV Medications and Others) (decorticate) 2 Abnormal extension (decerebrate) Abnormal extension (decerebrate) 1 None None