Normal EKG Paper Measurements Flashcards
1
Q
Distance across one small square represents…
A
0.04 seconds or 40 ms
2
Q
Distance across one large square (5 small squares) represents…
A
0.2 seconds or 200 ms
3
Q
Distance along one small square represents…
A
0.1 mV
4
Q
Distance along one large square represents…
A
0.5 mV
5
Q
Normal QRS duration
A
≤ .1 seconds, 100 ms, or 2.5 small boxes
