17. Normal ECG Flashcards
1
Q
In which leads is the P wave positive?
A
1, 2, V4, V5, V6 and aVF
2
Q
What is the acceptable range for the P-R interval?
A
.12 to .20 seconds
3
Q
What is the acceptable range for the QRS interval?
A
.05 to .10 seconds
4
Q
What is the acceptable elevation for the ST segment?
A
No more than 1mm in standard leads
No more than 2mm in chest leads
5
Q
In which leads is the T wave positive?
A
1, 2, V3, V4, V5, V6
6
Q
What is the acceptable range for height of the T wave?
A
5mm in standard leads
10mm in precordial leads
7
Q
What might an elongated QRS interval signify?
A
Bundle branch block
8
Q
What are the “official” values for tachycardia and bradycardia?
A
Tachycardia = >100 bmp
Bradycardia = <60 bpm
