EKG Flashcards
1
Q
ST depression
A
Ischemia
2
Q
ST elevation
A
Damage from MI
3
Q
QT interval is proportionate to
A
heart rate
4
Q
A-fib & A-flutter above 100 BPM is called
A
Uncontrolled
Under 100 = controlled
5
Q
Sawtooth
A
A-flutter
6
Q
SA node
BPM
A
60-100
7
Q
AV node
BPM
A
40-60
8
Q
Bundle branches
BPM
A
20-40
9
Q
MCL lead shows
A
Inverted QRS
Positive to neg deflection
10
Q
Lead II
A
Neg to pos deflection
11
Q
If rhythm is irregular
A
Count P & R waves and multiply by 10
12
Q
Regular rhythm counting
A
Number of small boxes between 2 consecutive P waves, divided by 1500
If 18 boxes, 1500/18 = 83 BPM
13
Q
Blocks
A
1: PRI too long
2 ty 1: PRI longer
2 ty 2: PRI indentical when present
3: Cannot figure it out
14
Q
Vtach
A
- Tombstones
- Above 0.12 sec
- Usually conscious
- Pulseless = defib
15
Q
PR interval
A
- 0.12-0.20
- 3-5 small boxes
