Chapter 4/5 Flashcards
1
Q
Small box
A
Horizontally .04 sec
Vertically 1 mv
2
Q
Large box
A
Horizontally .2 sec
Vertically 5 mV
3
Q
P Wave normal measurements
A
Height: < 2.5 mm or 2.5 small boxes
Length: > .08-.12 sec or 2-3 small boxes
4
Q
PR interval normal
A
.12-.2 seconds or 3-5 small boxes
5
Q
QRS complex normal
A
.06-.10 seconds or 1.5-2.5 small boxes
6
Q
Q-T interval
A
Start of QRS to end of T wave
Should be less than half of R-R interval
7
Q
Step 1
A
Determine regularity of rhythm
8
Q
Step 2
A
Heart rate calculations
9
Q
Step 3
A
P wave location and examination
10
Q
Step 4
A
PR Interval measurement
11
Q
Step 5
A
QRS complex measurement
Beginning of QRS to beginning of ST segment