ECG normals Flashcards
QRS duration in dog
<70 msec
QRS duration in cat
<40 msec
P wave duration and amplitude in cat
<0.2 mV, <40 msec
Cat R wave amplitude
<0.9 mV
Dog R wave amplitude
<3 mV (2.5 small breed)
P wave duration and amplitude in dog
<0.4mV, <40 msec
Normal MEA in the frontal plane in dog
+40 to +100
Normal MEA in the frontal plane in cat
0 to +160
ST segment deviation
> 0.2mV above or below isoelectric line in the limb leads and > 0.25 mV in the precordial leads.
QRS duration in dog
<70 msec (or <50 small breeds, <60 large breeds)
PR dog
60-130 msec
PR cat
50-90 msec
QT dog
150-250 msec
QT cat
120-180 msec, Santilli says 160 to 220ms.
R vs r nomenclature
0.5 mV
P wave duration in horse
< or = 0.16s
PR interval in horse
< or = 0.5s
QRS duration in horse
< or = 0.14s
QT interval in horse
< or = 0.6s