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Table 3 Presumed microcirculatory changes identified via hand-held videomicroscopy for the various types of hemodynamic coherence loss

From: The vulnerable microcirculation in the critically ill pediatric patient

 

Type 1

Type 2

Type 3

Type 4

FCD

↓

↓

↓

↓↓↓

Tube Ht

=

↓↓↓

=/↑

=

Discharge Ht

↓↑

↓↓

↓↓↓

=

HI

↑↑↑

=

=

=

  1. Type 1, flow heterogeneity; type 2, hemodilution; type 3, constriction tamponade; type 4, edema. See text for further information
  2. FCD functional capillary density, Ht hematocrit, HI heterogeneity index