EKG Interpretation I Flashcards
(13 cards)
1
Q
every time analyze this way
A
rate rhythm axis hypertrophy infarction wave interval and segment abnormalities
2
Q
rate per line
A
300, 150, 100, 75, 60, 50
3
Q
six second strip
A
multiply by 10 for rate
4
Q
PR interval size
A
less than 0.2s
-one big box
5
Q
QRS interval size
A
less than 0.12s
-three little boxes
6
Q
QT interval
A
- 44s
- bazetts formula
7
Q
sequence of ventricular depolarization
A
ventricular septum (Q)
- from endocardial surface
- base of heart towards apex (R)
- reverses toward outer walls of ventricles near base (S)
8
Q
Q wave
A
depolarization of ventricular septum
9
Q
R wave
A
base of heart to apex
10
Q
S wave
A
reverse - towards outer walls of ventricles at base
11
Q
atrial rhythm
A
up right P waves
-narrow QRS
12
Q
junctional rhythm
A
absent or inverted P waves
-narrow QRS
13
Q
ventricular rhythm
A
no p wave
-wide QRS
