assess the a. P waves.

A.  The ECG evidence of atrial enlargement


a. almost always correlates with pathological changes in the atrium.

b. is seen in only 10% to 20% of the patients diagnosed using other


c. should be tempered with the patient’s clinical presentation.

d. requires careful assessment of the QRS complex in many leads.

B.  To diagnose ventricular hypertrophy, we assess the

a. P waves.

b. T waves.

c. QRS complexes.

d. P wave axis.

C. Normally, in lead V1, the QRS complex will appear

a. mainly negative.

b. positive, with a large R wave and a short S wave.

c. biphasic, with an R wave and an S wave of equal height.

d. mainly positive.

D. Characteristic(s) seen with right ventricular hypertrophy include

a. R waves that are more positive in the leads that lie closer to lead V6.

b. S waves that are larger in lead V1.

c. QRS complexes that are slightly more positive than negative in lead I and negative in lead aVF .d. right axis deviation.


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