The normal LV end-diastolic dimension (LVidd) lies in which range?

Prepare for the Echocardiography Techniques II Exam 1. Utilize flashcards and multiple-choice questions with hints and explanations. Be exam-ready!

Multiple Choice

The normal LV end-diastolic dimension (LVidd) lies in which range?

Explanation:
LV end-diastolic dimension measures the left ventricle’s internal diameter at the end of filling, when the chamber is largest. In adults, a normal range is about 3.8 to 5.8 cm, with some variation for body size and technique. Values within this span reflect a normal LV size and preload. If the measurement is much larger, it suggests dilation from volume overload or cardiomyopathy; if it’s clearly smaller, that points toward hypertrophy or restrictive physiology. So the range 3.8–5.8 cm best represents normal LVEDD.

LV end-diastolic dimension measures the left ventricle’s internal diameter at the end of filling, when the chamber is largest. In adults, a normal range is about 3.8 to 5.8 cm, with some variation for body size and technique. Values within this span reflect a normal LV size and preload. If the measurement is much larger, it suggests dilation from volume overload or cardiomyopathy; if it’s clearly smaller, that points toward hypertrophy or restrictive physiology. So the range 3.8–5.8 cm best represents normal LVEDD.

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