Cardiac Drugs

Question 1

Adenosine

Answer 1

SVT

1st: 6mg rapid IVP followed by a 20cc flush
2nd: 12mg rapid IVP followed by a 20cc flush

Question 2

Amiodarone

Answer 2

Dysrhythmias, Cardiac arrest

1st: 300mg IVP
2nd: 150mg IVP

Question 3

Aspirin

Answer 3

Chest px

324mg (4 81mg) chewable tablets

Question 4

Atropine

Answer 4

Bradycardia

0.5mg (max: 3mg)

Question 5

Epinephrine

Answer 5

Cardiac arrest

1mg 1:10,000 IVP every 3-5min.

2-10 mg/kg

Question 6

Dopamine

Answer 6

Hypotension

2-20 mcg/kg/min in 250mL D5W over 10 minutes

Question 7

Diltiazem

Answer 7

A-Fib RVR

1st: 0.25mg/kg
2nd: 0.35mg/kg

Question 8

Lidocaine

Answer 8

Cardiac Arrest

1-1.5mg/kg IV
4mg/mL 1-4mg per minute

Question 9

Calcium Chloride

Answer 9

INDICATIONS- Hypocalcemia, hyperK+, hypermagnesemia, beta blocker toxicity, calcium channel blocker toxicity.

CONTRAINDICATIONS- Hypercalcemia, V-Fib, digitalis toxicity.

DOSAGES- Calcium channel blocker OD & hyperK+: 500-1,000mg (5-10mL of 10% solution) IV push. May repeat as needed.

Question 10

Dobutamine Hydrochloride (Dobutrex)

Answer 10

INDICATIONS- CHF, cardiogenic shock, L ventricular dysfunction, often used in conjunction w/ other drugs.

CONTRAINDICATIONS- Tachydysrhythmias, severe hypotension, idiopathic hypertrophic subaoritc stenosis (IHSS), suspected or known poison/drug-induced shock.

DOSAGES- IV infusion: @ 2-20 mcg/kg/min titrated to desired effect. Max dose 40 mcg/kg/min.

Question 11

Dopamine Hydrochloride (Intropin)

Answer 11

INDICATIONS- Cardiogenic & septic shock, hypotensive w/ low cardiac output, distributive shock, 2nd line drug for symptomatic bradycardia.

CONTRAINDICATIONS- Hypovolemic shock, phenchromocytoma, tachydysrhythmias, V. Fib, V. Tach

DOSAGES-