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ekg stuff Matching
what does QRS wave rep.?
Ventricular depolariztion
AV Node
Back up pacemaker. intrinsic rate of 40-60 bpm
normal heart rate =?
60-100bpm
what is the S-T segment?
atrial and ventricular repolarization, should be at baseline, -Tall or spiked waves=Hyperkalemia,MI -elevation=infarction -depression=ischemia
what does T wave rep?
Ventricular repolarizaton
Flutter=?
>200bpm
What is duration of QRS interval?
0.06-0.10sec
fibrillation=?
Too fast to count
What is ischemia?
decreased blood flow to the tissue;depressed or inverted T wave
http://www.ambulancetechnicianstudy.co.uk/images/Flutter.gif
Atrial flutter 250-350bpm Tx:O2, digoxin, cardioversion, beta blockers
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