Exam 1- Emergency Drugs Flashcards
1
Q
Inotropes
A
Works on force of contraction
Positive and negative
2
Q
Dromotropics
A
Affect conduction and velocity of AV area
Positive and negative
3
Q
Chronotropics
A
Affect rate
Positive and negative
4
Q
Classification of Emergency Drugs: Class I
A
Sodium channel blockers
5
Q
Classification of Emergency Drugs: Class II
A
Beta Blockers
6
Q
Classification of Emergency Drugs: Class III
A
Potassium Channel blockers
7
Q
Classification of Emergency Drugs: Class IV
A
Calcium channel blockers
8
Q
Epinephrine
A
- Positive Inotrope, Positive chronotrope
- Increases HR, contractility, vascular resistance, and automaticity
9
Q
Atropine
A
- Anticholinergic
- Positive Chronotrope
- Purely vagolytic
- Increases HR, systemic vascular resistance, and BP
- Dilates Pupils!!!
- Contraindicated for pts who have had heart transplants
10
Q
Atropine SE
A
tachyarrhythmia, delirium, flushed skin, blurred vision, and coma
11
Q
Amiodarone
A
- Negative Inotrope
- An antiarrhythmic that alters the funciton of all cardiac tissue
- Indicated for Shock-refractory ventricular fib and pulseless v-tach
- # 1 use is wide-complex tachyarrhythmias
- May be used for rate control
- Max dose 450mg
12
Q
Lidocaine
A
- Suppresses automaticity and excitability
- AVOID in pts in 3rd degree HB
13
Q
S/S of Lidocaine Toxicity
A
drowsiness
disorientation
tinnitus
paresthesias and seizures
14
Q
Adenosine
A
- Negative Dromotrope, Negative Chronotrope
- Slowing the initiation of SA node impulses and blocking AV conduction reentry
- Indicated for the tx of PSVT
- DRUG OF CHOICE for most narrow-complex tachycardias
- Extremely short half life (<10sec), must be administered rapidly (in 1-3 sec)
- Contraindicated in pts with 2nd or 3rd degree AV blocks who do not have artificial pacemakers
