Skip to main content

Table 3 Visual assessment of left ventricular ejection fraction (LVEF) using the full-feature ultrasound system*

From: Assessment of left ventricular ejection fraction using an ultrasonic stethoscope in critically ill patients

 

Visual assessment of LVEF with the full-feature system

Reference LVEF

Increased

LVEF > 75%

Normal

LVEF: 50 to 75%

Moderately depressed

LVEF: 30 to 49%

Severely depressed

LVEF < 30%

Increased

3

5

0

0

Normal

6

43

2

0

Moderately depressed

0

2

11

1

Severely depressed

0

0

4

7

  1. *: Biplane LVEF measured off-line with the Simpson's rule using the same ultrasound system was used as a reference.
Back to article page

Critical Care

ISSN: 1364-8535