You are analyzing a 12-lead ECG for the presence of left ventricular hypertrophy. After measuring carefully, you determine that the QS measurement is 12 mm and the R wave measurement is 20 mm. What does this patient have?
A)Minimal left ventricular hypertrophy
B)Advanced left ventricular hypertrophy
C)Both left and right ventricular hypertrophy
D)No clinical sign of hypertrophy

Question

Quizplus · Accepted Answer

The Sokolow-Lyon criteria for left ventricular hypertrophy is met when the sum of the S wave in V1 and the R wave in V5 or V6 is greater than 35 mm. In this case, the sum is 32 mm (12 mm + 20 mm), which does not meet the criteria for left ventricular hypertrophy.

You Are Analyzing a 12-Lead ECG for the Presence of Left