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17 Cards in this Set
- Front
- Back
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horizontal time
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small square equals0.04
large square .020 |
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one min equals
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300 large boxes
1500 small boxes |
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vertical boxes
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equal voltage 2 large boxes equals 1 mv
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what is systamatic anaylisis
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general observation
is there a p-wave b4 evrey qrs segment' are there any extra beats early beats rythmn regular or irregular |
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after genearal observation
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determine hr
pri interval\qrs interval |
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3 ways to determine heart rate
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count large boxes between r waves divide by 300
count number of r waves in a 6 sec strip multiply by 10 count small number of boxes between r waves divide by 1500 |
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pri interval
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between beginning of b wave to
beginning of q |
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qrs complex
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space between q and the start of t wave
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normal range of pri interval
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..12-.20 sec
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normal range for qrs interval
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.o4-.10 sec
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if pri is above normal range
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means a heart block
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2 types of heart block
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1 st degree or av block
p wave gradually prelonged (wenckebach) 2nd degree p wave prelonged and qrs drops (morep waves than qrs waves |
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if qrs is above normal range
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meand there is a bbb
2 types if rabbit ears are present equals rt heart block any other above normal qrs range equals left bundle branch block |
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normal sinus rhythm
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hr-60-100
regularity regular wave form p wave for evrey qrs pr intervla .12-.20 qrs interval .04 to .10 |
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sinus bradycardia
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hr below 60
r to r regular pri interval .12-.20 qrs interval .04 to .10 wave form p wave for evrey qrswave |
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sinus tachycardia
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hr 100 to 180
wave form p b4 qrs ryhthm regular pri interval .12 to .20 qrs intrval .04 to .10 |
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sinus arrythmia
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hr 60-100
wave form p b4 qrs rhythm ireggular pri interval .12 to .20 qrs interval .04 to .10 |
