36-70 Flashcards
what is R progression?
increase of the R wave beginning at V1 to V5
T wave is usually positive in leads with tall __ waves
R
Hypertrophy refers to an increase in ___ mass. e.g. in __ and __.
muscle
hypertension
aortic stenosis
Cardiac enlargement refers to __ of a particular chamber, most often seen in __ disease.
dilation
valvular
aortic insufficiency may cause left ___ enlargement
ventricular
Mitral insufficiency may result in left ___ enlargement
atrial
Which wave should you look at in order to assess atrial enlargement?
P wave
Which complex in the ECG represent ventricular enlargement?
QRS complex
In a normal axis, leads ___ and ___ should be positive
I, aVF
nNrmal axis lies between __ and __
0-90
right axis is between __ and __
90, 180
In an ECG with right axis, lead ___ should be positive, while lead __ negative
aVF, I
left axis is between __ and __
0, -90
In an ECG with a left axis lead ___ should be positive, while lead __ is negative
I, aVF
extreme right axis deviation is between __ and __
.-90, 180