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88 Cards in this Set
- Front
- Back
Area (in millimeters) of small squares on EKG paper
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1 x 1 mm
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Area (in millimeters) of the large squares on EKG paper
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5 x 5 mm
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Time distance across one small square on EKG paper (duration)
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0.04 seconds
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Time distance across two small squares on EKG paper (duration)
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0.08 seconds
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Time distance across three small squares on EKG paper (duration)
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0.12 seconds
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Time distance across four small squares on EKG paper (duration)
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0.16 seconds
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Time distance across five small squares on EKG paper (duration)
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0.2 seconds
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Time distance across one large square on EKG paper (duration)
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0.2 seconds
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Time distance across two large squares on EKG paper (duration)
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0.4 seconds
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Time distance across three large squares on EKG paper (duration)
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0.6 seconds
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Time distance across four large squares on EKG paper (duration)
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0.8 seconds
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Time distance across five large squares on EKG paper (duration)
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1 second
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Vertical distance along one small square on EKG paper (amplitude)
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0.1 mV
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Vertical distance along two small squares on EKG paper (amplitude)
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0.2 mV
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Vertical distance along three small squares on EKG paper (amplitude)
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0.3 mV
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Vertical distance along four small squares on EKG paper (amplitude)
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0.4 mV
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Vertical distance along five small squares on EKG paper (amplitude)
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0.5 mV
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Vertical distance along one large square on EKG paper (amplitude)
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0.5 mV
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Vertical distance along two large squares on EKG paper (amplitude)
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1 mV
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Vertical distance along three large squares on EKG paper (amplitude)
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1.5 mV
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Vertical distance along four large squares on EKG paper (amplitude)
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2 mV
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Vertical distance along five large squares on EKG paper (amplitude)
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2.5 mV
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Amplitude of normal P wave does not exceed this amount in any lead.
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0.25 mV
(2.5 mm or 2 1/2 small squares high) |
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Duration of normal PR interval.
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0.12 to 0.2 seconds
(3 to 5 mm) |
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The amplitude of a normal Q wave does not exceed this amount.
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0.1 mV
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Duration of a normal QRS interval in seconds.
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0.06 to 0.1 seconds
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Time distance across 1 1/2 small squares on EKG paper (duration)
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0.06 seconds
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Time distance across 2 1/2 small squares on EKG paper (duration)
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0.1 seconds
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Time distance across 1/2 of a large square on EKG paper (duration)
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0.1 seconds
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The amplitude, or height, of a normal T wave.
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one third to two thirds of the corresponding R wave
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In general, the QT interval composes what percentage of the cardiac cycle, as measured from one R wave to the next?
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40%
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Time distance across one half of a small square on EKG paper (duration)
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0.02 seconds
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Time distance across 3 1/2 small squares on EKG paper (duration)
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0.14 seconds
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Time distance across 4 1/2 small squares on EKG paper (duration)
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0.18 seconds
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Time distance across six large squares on EKG paper (duration)
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1.2 seconds
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Time distance across seven large squares on EKG paper (duration)
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1.4 seconds
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Time distance across eight large squares on EKG paper (duration)
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1.6 seconds
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Time distance across nine large squares on EKG paper (duration)
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1.8 seconds
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Time distance across ten large squares on EKG paper (duration)
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2 seconds
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Duration of a normal QRS interval as measured in small squares.
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1.5 to 2.5 small squares
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At a glance, the width of a normal QRS interval in relation to a large square.
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approx. 30% to 50%
(no more than 1/2 large square) |
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The duration of one half of a large square, expressed in time.
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0.1 seconds
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How many large squares are in half a second?
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2.5
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How many large squares are in 3 seconds?
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15
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Three large squares equals how many beats per minute?
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100
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Four large squares equals how many beats per minute?
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75
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Five large squares equals how many beats per minute?
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60
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Six large squares equals how many beats per minute?
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50
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Two large squares equals how many beats per minute?
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150
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One large square equals how many beats per minute?
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300
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Seven large squares equals how many beats per minute?
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about 43
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Eight large squares equals how many beats per minute?
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about 38
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Nine large squares equals how many beats per minute?
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about 33
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Ten large squares equals how many beats per minute?
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30
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Fifteen large squares equals how many beats per minute?
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20
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Twenty large squares equals how many beats per minute?
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15
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Twenty-five large squares equals how many beats per minute?
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12
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Thirty large squares equals how many beats per minute?
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10
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One and a half large squares equals how many beats per minute?
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200
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One and a quarter large squares equals how many beats per minute?
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about 240
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One and three quarters large squares equals how many beats per minute?
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about 170
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It is possible to calculate beats per minute by dividing the number of large squares between R waves by what number?
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300
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It is possible to calculate beats per minute by dividing the number of small squares between R waves by what number?
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1500
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Describe the six-second method for calculating heart rate.
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Simply count the number of beats on a six second strip and multiply by ten.
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What is an appropriate method for estimating heart rate in an irregular rhythm?
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six-second strip method,
multiply beats by ten |
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If there are five and a half beats in a six second EKG strip, what is the heart rate.
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about 55
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If there are six full beats in a six second EKG strip, what is the heart rate.
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about 60
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If there are seven and a quarter beats in a six second EKG strip, what is the heart rate?
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about 72
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If there are eight and three quarter beats in a six second EKG strip, what is the heart rate?
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about 88
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If there are nine and a quarter beats in a six second EKG strip, what is the heart rate?
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about 92
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If there are ten full beats in a six second EKG strip, what is the heart rate?
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100
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If there are ten and a half beats in a six second EKG strip, what is the heart rate?
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about 105
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If there are eleven and a quarter beats in a six second EKG strip, what is the heart rate?
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about 112
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If there are twelve and a half beats in a six second EKG strip, what is the heart rate?
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about 125
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If there are fifteen and a half beats in a six second EKG strip, what is the heart rate?
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about 155
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If there are twenty full beats in a six second EKG strip, what is the heart rate?
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200
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If there are four beats in a six second EKG strip, what is the heart rate?
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40
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If there are three beats in a six second EKG strip, what is the heart rate?
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30
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If there are two beats in a six second EKG strip, what is the heart rate?
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20
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If there is only one beat in a six second EKG strip, what is the heart rate?
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10 or less
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How many large squares in six seconds?
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30
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What is the duration of a normal P wave in seconds?
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Less than 0.12 seconds
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What is the duration of a normal P wave in small boxes?
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Less than 3 small boxes
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standard speed for ECG paper
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25 mm/s
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standard gain for ECG paper
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10 mm/mv
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1 mv rectangular tracing made by ECG to confirm standardized settings is called the ______.
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standardization mark
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two elements to check when confirming standardization of EKG settings
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(1) paper speed
(2) gain |
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The standardization mark should be ______ mm high.
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10
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