Emergency Drugs Worksheet FIRST LINE DRUGS DRUG Epinephrine (alpha and beta adrenergic agonist) INDICATIONS ACTION severe allergic reactions; upper airway obstruction; severe hypotension associated w/ septic shock bronchodilation, vasoconstriction; inhibits hypersensitivity reactions sinus bradycardia and if symptomatic, but if asymptomatic, no tx required first line treatment for symptomatic bradycardia increases HR, decreases GI/respiratory secretions; reverses muscarinic effects A-V Dissociation Adenosine (Adenocard) (antiarrhythmic, class IA) PSVT-paroxysmal supraventricular tachycardia slows conduction through the AV node, restores nl sinus rhythm by interrupting reentrant pathway into AV node Initial dose: 6 mg over 1-3 seconds. Follow with 20 ml 9% NACL. Subsequent doses (after 1-2 minutes): 12 mg over 1-3 seconds. May repeat once. SE: HA, Dizziness, Transient Facial Flushing, Dyspnea Amiodarone (Cordarone) (antiarrhythmic class 11A/11B) life threatening ventricular arrhythmias slows sinus rate, causes vasodilation, increases PR/QT intervals; inhibits adrenergic stimulation Cardiac arrest: 300 mg IVP. May repeat 150 mg IVP in 3-5 minutes. (Max: 2.2 g IV/ 24 hrs) Wide-complex tachycardia (stable): Rapid infusion: 150 mg IV over first 10 minutes (15 mg/min). May repeat rapid infusion (150 mg IV) every 10 minutes as needed. Slow infusion: 360 mg IV over 6 hours (1 mg/min). Maintenance infusion: 540 mg IV over 18 hours (0.5 mg/min) Max: same as above. SE: Palpitations, HTN Atropine (Anticholinergic) SE: HA, Dizziness, ↑↓ BP, V Tach, V Fib, SE: Muscle weakness, fatigue, dizziness, hypotension, corneal microdeposits Cannot use in patients with iodine allergy first line treatment of supraventricular tachycardia short term therapy is ideal DOSAGE (IV) 1 mg IV/IO every 3-5 minutes HIGH ALERT MED 0.5-1 mg repeated every 3-5 minutes to maximum dosage of 0.04 mg/kg BEERS cardiac arrest ACLS, PALS, VF, VT BEERS, HIGH ALERT Vasopressin (Pitressin) SE: ↑BP, bradycardia, heart block, N & V, Tremor antidiuretic replace the second or first second dose of epinephrine; many of the same indications for epi use; will find in a crash cart can cause heart block, tremors, increased blood pressure; alters permeability of renal collecting ducts, allowing greater reabsorption of water 40 U IV/IO to replace the first or second dose of epinephrine, over 30-60 min SECOND-LINE DRUGS DRUG Lidocaine (Xylocaine) (antiarrhythmic class IIB) SE: Confusion, Difficulty breathing/swallowing Procainamide (Pronestyl) (antiarrhythmic class IIA) SE: Agranulocytosis with repeated use. V Fib, Hypotension Magnesium sulfate (electrolyte) SE: 3° heart block, respiratory paralysis, respiratory paralysis Diltiazem (Cardizem) (calcium channel blocker) INDICATIONS ventricular arrhythmias MI antiarrhythmic second line drug premature atrial/ventricular contractions ventricular tachycardia, paroxysmal atrial tachycardia second line drug will find in a crash cart antiarrhythmic use irregular heartbeat that could lead to HF or stroke replacement of Mg+2 Atrial flutter/fibrillation Supraventricular tachycardia SE: HA, ↓BP, Constipation Dopamine (Intropin) SE: Hypertension, Tachycardia, Severe tissue damage with extravasation/IV infiltration ACTION Decreases automaticity of ventricles; reduces amount of sodium that can enter cells; decreases sodium slow impulse conduction; causes small sodium blockade in myocardium. second line drug to treat symptomatic bradycardia Suppression of arrhythmias Decreases myocardial excitability Slows conduction velocity May depress myocardial contractility Plays important role in neurotransmission and muscular excitability (myocardial) DOSAGE (IV) 1.0-1.5 mg/kg repeated every 3-5 minutes to a maximum dosage of 3 mg/kg Initial dose 1-1.5 mg/kg Subsequent doses: 0.50.75 mg/kg repeated every 5-10 minutes to maximum dosage of 3 mg/kg 20-30 mg/minute repeated until dysrhythmia is suppressed, hypotension occurs, QRS complex widens by 50% or maximum dosage of 17 mg/kg is reached. 1-2 g in 100 mL D5W over 1-2 minutes HIGH ALERT Essential electrolyte in the body; necessary for many enzymatic reactions Initial dose: 0.25 mg//kg (20 mg in average adult). Second dose of 0.35 mg/kg may be given in 15 min. to achieve HR reduction. Follow by infusion. Low: 1-3 mcg/kg/min Moderate: 310 mcg/kg/min High: 10-20 mcg/kg/min BEERS DRUG Dobutamine (Dobutrex) INDICATIONS can use in heart failure SE: ↑HR, ↑BP, ACTION increases ventricular contraction/excitability of the heart; helping the heart to work HIGH ALERT Anginal pain Calcium Chloride SE: ↓BP, Bradycardia, Cardiac arrest with rapid infusion. essential for nl heart Acts as an activator in the function; adjunct in transmission of nerve cardiac arrest impulses/contraction of cardiac/skeletal/smooth Used in emergency muscles treatment hyperkalemia Essential for nervous/muscular systems and hypermagnesemia Maintains cells membrane and capillary permeabilities slow IV push will be drawing labs for this patient to measure the values Isoproterenol (Isuprel) (BetaAdrenergic Agonist) DOSAGE (IV) 0.5-2 mcg/kg/min by continuous IV infusion 250 mg IV push initially (2.5-5 ml of a 10% solution) over 3-5 min; may be repeated q 10 min. if needed May be given by intracardiac injection if necessary (rarely, if ever, seen) Caution: Don’t administer in the same IV line with alkaline solutions (such as sodium bicarbonate). HIGH ALERT heart block, HF, cardiac arrest bradycardia asthma produces bronchodilation inhibits hypersensitivity reactions SE: Ventricular arrhythmias, severe tissue damage with extravasation. Start IV drip of 2 mg in 500 ml D5W at 2-10 mcg/min (30 ml/hr or 30 microdrops/min) Titrate to produce heart rate of 60 or systolic blood pressure of > 90. Caution: Don’t give IV push and don’t mix with other drugs. HIGH ALERT Phenylephrine HCL (Neosynephrine) vasopressor, adrenergic, alpha adrenergic agonist SE: Tachycardia, Bradycardia with OD, severe hypotension vasoconstriction by way of stimulation of alpha adrenergic receptors IV initial dose: 10 mg in 250-500 ml D5W or 0.9% NaCl@ 0.1-0.18 mg/min. Maintenance dose: 0.04-0.06 mg/min HIGH ALERT ↑BP, severe tissue damage with extravasation have to be careful because of extravasation; medicine is damaging tissues (drug has leaked into the tissue) Propranolol (Inderal) (Beta adrenergic blocker) lower bp decreases bp/hr antiarrhythmic SE: confusion, fatigue, drowsiness, bradycardia P.O.: 10-60 mg. BIDQID IV 0.5-3 mg in 0.5-1 mg increments. May repeat in 2 min. (Lifethreatening dysrhythmias only) HIGH ALERT SECOND/THIRD LINE DRUGS DRUG Digoxin (Lanoxin) SE: N & V, AV Block, visual disturbances INDICATIONS HF atrial fibrillation/flutter ACTION increases force of myocardial contraction DOSAGE (IV) PO/IV Loading dose: 0.5-1.0 mg Maintenance dose: 0.1250.25 mg qd carefully monitor for Dig toxicity; will not give Digoxin until we know what their Dig level; draw lab va HIGH ALERT BEERS inotropic antiarrhythmic Furosemide (Lasix) SE: ↓BP, circulatory collapse, hypo K edema, HF, emergency use for hypertensive crisis inhibits reabsorption of sodium and chloride from loop of Henle/distal tubule increases excretion of sodium, magnesium, Usual IV dose: 20-40 mg (10mg/min) loop diuretic, potassium wasting diuretic Nitroglycerin (Tridil) chloride, potassium, water, and calcium HF, chest pain increases blood flow to the heart; vasodilator; increases collateral blood flow to ischemic regions of the heart hypertensive crisis produces peripheral vasodilation (by direction actions on arterial/venous smooth muscle) antianginal/nitrates SE: HA, Postural hypotension, anaphylactoid reaction Sodium Nitroprusside (Nipride) cardiac pump failure or cardiogenic shock antihypertensive SE: Thiocyanate toxicity (profound hypotension, tinnitus, blurred vision) Norepinephrine (Levophed) IV initial dose: 5-10 mcg/min, increase by 510 mcg/min q 5- 10 min until angina subsides (use special tubing and glass bottle) Sublingual 5 mg; usually 3 tries IV slow drip or push Initial: 0.3 mcg/kg/min, increase slowly q 2-3 min until BP controlled. Maintain at less than 3 mcg/kg/min. *(Light Sensitive) HIGH ALERT severe hypotension cardiogenic shock produces vasoconstriction and myocardial stimulation vasopressor Initial: 2 mcg/min Range: 2-12 mcg/min HIGH ALERT SE: Hepatic or renal necrosis, fatal arrhythmias, cerebral hemorrhage, severe tissue damage with extravasation (treated with phentolamine (Regitine) caustic med Oxygen Milrinone (Primacor) inotropic SE: Ventricular ectopics, possible ↓BP cardiac or respiratory arrest respiratory distress or hypotension systolic HF, cardiogenic shock increases amount of oxygen available to be delivered to your lungs, and then tissues 100% in arrest. (absolutely no contraindications in cardiac arrest) increases myocardial contractility Loading dose: 0.05 mg/kg IV over 10 min. Maintenance dose: 0.375-0.75 mcg/kg/min HIGH ALERT