EKG 1

Question 1

SA node rate

Answer 1

60-100

Question 2

AV node rate

Answer 2

40-60

Question 3

Ventricular node rate

Answer 3

20-40

Question 4

U wave causes can include

2

Answer 4

1. potassium <3

2. hyperthyroid

Question 5

PR interval

Answer 5

0.12-0.20

Question 6

QRS interval

Answer 6

.06-.12

Question 7

QT interval

Answer 7

.36-.44

Question 8

inverted T wave =

Answer 8

ischemia

Question 9

ischemia causes what type of T wave

Answer 9

inverted T wave

Question 10

Peaked T wave =

Answer 10

high K

Question 11

high K causes what type of T wave

Answer 11

peaked

Question 12

1 small box =

Answer 12

0.04 s

Question 13

5 small boxes =

Answer 13

0.20 s

Question 14

5 large boxes =

Answer 14

1 sec

Question 15

30 large boxes =

Answer 15

6 sec

Question 16

ST depression =

Answer 16

ischemia

Question 17

tx of sinus brady if symptomatic

3

Answer 17

1. dopamine
2. atropine - 1 mg x 3 doses
3. (rare) transcutaneous or transvenous pacing

Question 18

Wandering atrial PM rhythm is

Answer 18

irregular

Question 19

wandering atrial PM must do what

Answer 19

throw 3 different P waves - meaning 3 different areas in the heart are generating impulses

Question 20

must throw 3 different p waves

Answer 20

wandering PM

Question 21

SVT P wave

Answer 21

no P wave

Question 22

SVT QRS

Answer 22

narrow

Question 23

causes of SVT can include

4

Answer 23

1. digoxin toxicity
2. thyroid disease
3. COPD
4. HF

Question 24

Care for SVT includes

3

Answer 24

1. Vagal stimulation/maneuvers
2. Carotid massage - MD only
3. synchronized electrical cardioversion - lower dose

Question 25

Drugs used to treat SVT

6

Answer 25

1. inderal
2. verapamil
3. digitalis
4. adenosine - first dose is 6 mg, then 12 mg, give fast
5. Cardizem
6. amiodarone - long half life, will kill fetus

Question 26

Atrial flutter treatments/meds

5

Answer 26

1. CCB (diltiazem, verapamil)
2. digitalis
3. amiodarone
4. coumadin
5. synch electrical cardioversion

Question 27

atrial flutter PR interval

Answer 27

unmeasurable

Question 28

atrial flutter QT interval

Answer 28

unmeasurable

Question 29

a fib PR interval

Answer 29

unmeasurable

Question 30

a fib QT interval

Answer 30

uneamsureable

Question 31

a fib rate <100 =

Answer 31

a fib controlled

Question 32

a fib rate >100 =

Answer 32

a fib uncontrolled

Question 33

sinus pause

Answer 33

falls on R-R pause