EKG 1 Flashcards
1
Q
SA node rate
A
60-100
2
Q
AV node rate
A
40-60
3
Q
Ventricular node rate
A
20-40
4
Q
U wave causes can include
2
A
- potassium <3
2. hyperthyroid
5
Q
PR interval
A
0.12-0.20
6
Q
QRS interval
A
.06-.12
7
Q
QT interval
A
.36-.44
8
Q
inverted T wave =
A
ischemia
9
Q
ischemia causes what type of T wave
A
inverted T wave
10
Q
Peaked T wave =
A
high K
11
Q
high K causes what type of T wave
A
peaked
12
Q
1 small box =
A
0.04 s
13
Q
5 small boxes =
A
0.20 s
14
Q
5 large boxes =
A
1 sec
15
Q
30 large boxes =
A
6 sec
16
Q
ST depression =
A
ischemia
17
Q
tx of sinus brady if symptomatic
3
A
- dopamine
- atropine - 1 mg x 3 doses
- (rare) transcutaneous or transvenous pacing
18
Q
Wandering atrial PM rhythm is
A
irregular
19
Q
wandering atrial PM must do what
A
throw 3 different P waves - meaning 3 different areas in the heart are generating impulses
20
Q
must throw 3 different p waves
A
wandering PM
21
Q
SVT P wave
A
no P wave
22
Q
SVT QRS
A
narrow
23
Q
causes of SVT can include
4
A
- digoxin toxicity
- thyroid disease
- COPD
- HF
24
Q
Care for SVT includes
3
A
- Vagal stimulation/maneuvers
- Carotid massage - MD only
- synchronized electrical cardioversion - lower dose
25
Drugs used to treat SVT
| 6
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
26
Atrial flutter treatments/meds
| 5
1. CCB (diltiazem, verapamil)
2. digitalis
3. amiodarone
4. coumadin
5. synch electrical cardioversion
27
atrial flutter PR interval
unmeasurable
28
atrial flutter QT interval
unmeasurable
29
a fib PR interval
unmeasurable
30
a fib QT interval
uneamsureable
31
a fib rate <100 =
a fib controlled
32
a fib rate >100 =
a fib uncontrolled
33
sinus pause
falls on R-R pause
