Basic measurement Flashcards
1
Q
What is a normal PRI?
A
0.12-0.20
2
Q
What is a normal QRS?
A
NARROW
0.04-0.10
3
Q
QRS needs to be less than what?
A
0.12
4
Q
What is a normal QT?
A
There isn’t a “normal”–it is based on the rate
5
Q
What do you ask yourself forr every strip?
A
- Regular or not?
- P before QRS?
- What does the P look like?
- Is QRS narrow or wide?
- Any extra beats?
- What is the atrial rate?
- What is the ventricular rate?
6
Q
If the heart rate is REGULAR, how do you calculate?
A
Count R to R
-divide that number into 1500
7
Q
If the heart rate is IRREGULAR, how do you calculate?
Atrial
A
Count number of P WAVES and then multiply by 10
8
Q
IRREGULAR, how do you calculate?
Ventricular
A
Count number of R waves, and then multiply by 10.
9
Q
What does a “normal” p wave look like?
A
Upright and round
10
Q
Where is a p wave supposed to be?
A
in front of EVERY QRS
11
Q
Normal heart rate?
A
60-100