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Table 1 Pericardial effusion size

From: Real-time cardiovascular magnetic resonance subxiphoid pericardial access and pericardiocentesis using off-the-shelf devices in swine

Effusion size (volume infused)

Drained volume ml

Pericardial pressure mmHg

Maximum dimension mm coronal

Maximum dimension mm sagittal

Maximum dimension mm axial

Small (50 ml)

48.4 ± 3.0

3.4 ± 1.2

9.5 ± 2.4

9.4 ± 2.1

8.6 ± 0.7

Moderate (100 ml)

98.3 ± 3.7

6.1 ± 1.1

16.7 ± 3.5

16.6 ± 3.3

12.4 ± 1.6

Large (150 ml)

146.3 ± 4.8

4.8 ± 0.7

20.8 ± 3.8

22.1 ± 3.6

15.9 ± 2.2

  1. Volumes are expressed in milliliters (ml). The units for pressure are millimeter of Mercury (mmHg). Maximum dimensions are represented in millimeters. n = 12 per group.