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17 Cardiac Drugs

Cardiac Drugs

QuestionAnswer
Class For Nigroglycerine Nitrate
Nitroglycerine - Actions Relaxes smooth muscle, dilates coronary arteries and increases inotrophy.
Nitroglycerine - Dosage .4mg up to 3 times.
Atropine - Class Anticholinergic, Parasympatholytic
Atropine - Contraindications Supraventricular >100, Ventricular >60, v-fib
Atropine - Dosage .5 - 1 mg (Max .04 mg/kg)
Dopamine - Class Catecholamine, Sympathomimetic
Dopamine - Actions Increased inotrophic/chronotropic affects, increase O2 consumption, increased PVR, bronchodilation
Dopamine - Indications Symptomatic bradycardias, pulseless arrests (VF, PVT, PEA, Asystole)
Dopamine - Contraindications V-Tach, V-fib
Dopamine - Dosage 5-20 mcg/kg/min
Epinephrine - Class Catecholamine, Sympathomimetic
Epinephrine - Actions Increases inotrophic/chronotropic/dromotropic affects, increases O2 consumption, increases PTV, bronchodilation
Epinephrine - Indications Symptomatic bradycardias, pulseless arrests (VF, PVT, PEA, Asystole)
Epinephrine - Dosage 2-10 mcg/min; 1 mg IV
Adenosine - Class Anti-dysrhythmic; purine nucleoside
Adenosine - Actions slows conduction through AV node
Adenosine - Indications Stable PSVT refractory to vagal maneuvers
Adenosine - Dosage 6mg, 12, mg, 12 mg
Cardiazem - Class Calcium Channel Blocker
Cardiazem - Actions Relaxes smooth muscle, decreases PVR, decreases AV conduction, dilates coronary arteries
Cardiazem - Indications A-fib, A-flutter, SVT refractory to adenosine, hypertensive angina pectoris
Cardiazem - Dosgae .25 mg/kg; 5-15 mg/hr
Furosemide - Class Loop Diuretic
Furosemide - Actions Venous dilation, inhibits reabsorption of sodium in Loop of Henle, Diuresis
Furosemide - Indications Acute pulmonary edema
Furosemide - Dosage 40-100 mg.
Morphine - Class Narcotic Analgesic
Morphine - Actions Analgesia/sedation, decreases CNS, arterial and venous dilation
Morphine - Indications CP associated with acute coronary syndrome, acute pulmonary edema, pain relief
Morphine - Contraindications Hypotension, volume depletion, head injury, abd. pain.
Morphine - Dosage 2-5 mg (Up to 15 mg)
Vasopressin - Class Antidiuretic Hormone
Vasopressin - Action Stimulates V1 receptor sites causing vasoconstriction
Vasopressin - indications Pulseless arrest (VF, PVT, PEA, Asystole)
Vasopressin - Dose 40 IV IU
Amiodarone - Class Atrial and Ventricular anti-dysrhythmic
Amiodarone - Action Blocks the sodium, potassium, and calcium channels, blocks alpha and beta receptors, lengthens QT interval
Amiodarone - Indications V-fib, pulseless v-tach, stable v-tach w/pulse, stable PSVT refractory to adenosine, WPW
Amiodarone - Contraindications Junctional escape rhythm, 2 degree type II, 3 degree, Asystole.
Amiodarone - Dose Pulseless: 300 mg IVP repeat in 5 min. 150 mg. Pulse: 150 mg/50 ml over 10 min Maint: 1 mg/min for 1st 6 hours, .5mg/min for next 18 max 2.2g/24 hours.
Lidocaine - Class Ventricular Anti-dysrhythmic
Lidocaine - Action decreases vent. depolarization and automaticity, depresses vent. ectopy assoc. w/acute coronary syndrome, increases v-fib threshold
Lidocaine - Indications V-fib, pulseless v-tach, stable v-tach w/pulse, malignant PVC's
Lidocaine - Contraindications @ degree type II, 3 degree PEA, Asystole
Lidocaine - Dose 1-1.5 mg/kg IVP q3-5 at 50% Maint: 2-4 mg/min Max: 3 mg/kg
Magnesium Sulfate - Class Ventricular Antidysrhythmic, electrolyte, anti-convulsant
Magnesium Sulfate - Actions increases QT interval, replenishes mag. cation, relaxes smooth muscle, depresses CNS
Magnesium Sulfate - Indications Torsade D' Pointes, situations requiring bronchodilation (asthma, COPD), pregnancy induced HTN seizures
Magnesium Sulfate - Contraindications 2 degree type II, 3 degree, PEA, Asystole
Magnesium Sulfate - Dose 1-2 G in 50 ml over 5 mins.
Procainamide - Class Atrial and Ventricular anti-dysrhythmic
Procainamide - Action Reduces automaticity of pacemaker sites, slows intraventricular conduction
Procainamide - Indications Recurrent V-Tach, PSVT refractory to adenosine
Procainamide - Contraindications Sever conduction disturbances, 2 degree Type II, 3 degree AVB, Ventricular escape beats.
Procainamide - Dosage 20-30 mg/min IV drip Max: 17 mg/kg, QRS increases by 50% hypotension
Labetalol - Class Non-selective beta blocker, selective alpha 1 blocker
Labetalol - Action Inhibits peripheral vasoconstriction, decreases cardiac output, causes peripheral vasodilation
Labetalol - Indications Hypertensive crisis
Labetalol - Contraindications Bronchial asthma, CHF, heart block, bradycardia, cardiogenic shock
Labetalol - Dosage 10 mg IV over 2 mins, repeat at 10-20 mg after 10 mins.
Metaprolol - Class Selective beta blocker
Metaprolol - Action Slowing of sinus rate and AV conduction, decreased heart rate and cardiac output, decrease of systolic BP, decrease reflex orthostatic tachycardia, inhibition of catecholamine induced tachycardia
Metaprolol -Indications Acute MI, angina pectoris, hypertension
Metaprolol - Contraindications Sinus Bradycardia, heart block, cardiogenic shock, systolic BP < 100, cardiac failure
Metaprolol - Dosage 5 mg slow IVP every 5 mins x3 doses (max 15 mg)
Calcium Chloride - Class Calcium supplement
Calcium Chloride - Actions replaces calcium in hypocalcemia, increases myocardial contractile force, increases ventriular automaticity, antidote for mag. Sulfate, minimizes side efects of calcium channel blockers.
Calcium Chloride - Indications Hypocalcemia, hyperkalemia, calcium channel blocker toxicity, mag. sulfate toxicity.
Calcium Chloride - Contraindications May precipitate digitalis toxicity in pts. taking Digoxin
Calcium Chloride - Dosage 2-4 mg/kg slov IVP
Sodium Bicarbonate - Class Alkalinizing Agent
Sodium Bicarbonate - Actions Buffers metabolic acidosis, increases pH by providing bicarb buffer, makes urine alkaline enhancing tricyclic antidepressant excretion
Sodium Bicarbonate - Indications Tricyclic antidepressant overdose, phenobarbital overdose, known hyperkalemia, sever acidosis refractory to hyperventilation
Sodium Bicarbonate - Contraindications Alkalotic states
Sodium Bicarbonate - Dosage 1 mEq/kg IVP
Created by: SCBrins