L3C2: EKG

Question 1

QRS Depolarization indicates?

Answer 1

ventricular

Question 2

P Wave indicates?

Answer 2

atrial

Question 3

chaotic P wave patterns

Answer 3

A-fib

Question 4

chaotic QRS complex

Answer 4

v-fib

Question 5

bizarre QRS complex

Answer 5

V-tach

Question 6

Periodic wide bizarre QRS complex

Answer 6

PVCs (Premature Ventricular Contractions)

Question 7

PVCs are usually (low/high) priority

Answer 7

low

SInce they are technically short runs of tachycardia

Question 8

PVCs are considered a priority in 3 conditions:

1. There are _____ PVCs in a min
2. More than ____ PVCs in a row
3. _____ Phenomenon (PVC falls on a T wave)

Answer 8

1. 6 or more
2. 6
3. R on T

Question 9

PVCs after an MI is common & (high/low) priority

Answer 9

low

Question 10

Tx of Ventricular arrhythmias

Answer 10

Amiodarone/Lidocaine

Question 11

Tx of Atrial arrhythmias: “ABCD”

Answer 11

“ABCD”

Adenocard (adenosine)
Beta-Blockers
CCBs
Digoxin/Lanoxin

Question 12

Adenosine is a ____ IV push –> must be pushed in ______ (secs) and 20ml flush after

Answer 12

Fast IV push; less than 8 s

**pts will go asystole for about 30s and out of it

Question 13

Beta blockers is similar to _____ (drugs class) except they ______ (effect)

Answer 13

CCBs (negative inotropic, chrono,dromo)

Bronchoconstricts

**same s/e as CCbs

Question 14

Tx for V-fib

Answer 14

Defibrillate

Question 15

tx for asystole

Answer 15

epi 1st then atropine 2nd