Normal ECG Part I & II Flashcards
1
Q
Define a normal axis deviation
A
0 - 90degrees
2
Q
What is the normal length of a QRS
A
= 0.12
3
Q
What is the normal PR interval length
A
0.12 - 0.2
4
Q
The P wave will be inverted where
A
aVR
5
Q
The PR interval is the electrical representation of what
A
The time of the firing of the impulse from the SA Node to the ventricular muscle fiber
6
Q
What is the normal width of any wave of the QRS complex
A
0.03
7
Q
What is a normal ST segment elevation
A
No more than 1mm
8
Q
Where is the T wave inverted
A
Avr
9
Q
What does a U-wave indicate
A
Hypokalemia
10
Q
What is the standard height of T waves
A
5 mm in standard leads
Not more than 10 mm in precordial leads
11
Q
What is associated with inverted T waves
A
Ischemic injury
12
Q
What is associated with STE
A
Pattern of injury
