2 ECG Basics And Interpretation

Question 1

Depolarizations moving towards an electrode are _____ while depolarizations moving away are _____.

Answer 1

Positive +

Negative -

Question 2

Repolarizations moving towards an electrode are _____ and repolarizations moving away from an electrode are _______

Answer 2

Negative -

Positive +

Question 3

(TP) You receive an ECG with a positive R wave in Lead I and a negative R wave in aVf. What is this persons MEA?

A. Normal Axis
B. Indeterminate Axis
C. Left Axis
D. Right Axis

Answer 3

D. Left axis

Question 4

(TP) You receive an ECG with a positive R wave in Lead I and a negative R wave in aVf. Which of the following could result in such an ECG change?

A. Right Ventricular Hypertrophy
B. Left Atrial Hypertrophy
C. Right Atrial Hypertrophy
D. Left ventricular hypertrophy

Answer 4

Left ventricular hypertrophy

If pick two.. also select atrial hypertrophy