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CCI CRAT Flash Cards questions and answers.
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CCI CRAT Flash CardsHeart Rate of Normal Sinus Rhythm (NSR)
60-100 BPM
Heart Rate of Sinus Tachycardia (ST)
101+ BPM
Heart Rate of Sinus Bradycardia (SB)
59 or less BPM
The horizontal axis on the grid paper records____________.
time.
How many large grid blocks on the EKG paper mark one second in time?
Five (5).
How long in seconds is one large block on the EKG paper?
0.2 seconds (thus, five large blocks marks 1 second in time).
The vertical axis on the grid paper records _________________.
EKG Amplitude (voltage).
How many millivolts (mV) is one small block on the EKG paper?
0.1 mV
How many millivolts (mV) is one large block on the EKG paper?
0.5 mV
, 10 mm equals how many millivolts (mV)?
1.0 mV
6 mm equals how many millivolts (mV)?
0.6 mV
3 mm equals how many millivolts (mV)?
0.3 mV
5 mm equals how many millivolts (mV)?
0.5 mV
What is the amplitude if a complex is 22 small boxes tall, vertically?
2.2 mV
What is the amplitude if a complex is 14 small boxes tall, vertically?
1.4 mV
What is the amplitude if a complex is 7 small boxes tall, vertically?
0.7 mV
How many seconds does one small box horizontally represent?
0.04 seconds (thus 5 small boxes horizontally, equals 0.20 seconds (one large box)).
What is the normal/typical speed of EKG paper?
25 mm/second
Name the lettered components of a normal heartbeat found on an EKG?
P, Q, R, S, T, U
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