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9 Cards in this Set

  • Front
  • Back
Heart Rate
60-100

<60 Bradycardia
>100 Tachycardia
Rhythm
60-100

<60 Bradycardia
>100 Sinus Tachycardia
PR Interval
.12-.20

>.20 1st Degree Block
<.12 WPW, Wide QRS,
Delta Wave
QRS Width
</= .10 sec

.11 sec Incomplete BBB
>/= .12 sec Complete BBB

Big QS (-V1) LBBB
Rabbit Ears (+V1) RBBB
QT Interval (Normal)
HR 70, QT=.40
HR 100, QT=.35-.36
Shortened QT Interval
Scooping of the ST segment
in leads with tall R's:
Digitalis

Peaked T waves: Hyperkalemia
Nothing distinct but shortening of QT: Hypercalcemia
Lengthening of QT
Procainamide
Quinidine
U waves: Hypokalemia
Hypocalcemia
Axis
-30 to +100

>100 RAD
<-30 LAD

</= -45 (and QRS <.12): LAH
>/= 120 (and QRS <.12): Rule out RVH, otherwise LPH
P wave
<.25 mm tall
<.12 sec wide

>/=.25 mm RAE
</=.12 sec wide, P mitral,
-P in V1>.04
or >/=1 mm depth