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Table 3 Combinated Deformation Parameter. Possibilities of presentation

From: Comprehensive assessment of left ventricular myocardial function by two-dimensional speckle-tracking echocardiography

Combinated deformation parameter

Deformation Product (DP) (Twist x LS) (° x %)

Deformation Index (DefI) (Twist/LS) (° / %)

Status of Twist and LS

Myocardial function

Normal

Normal

Normal Twist + Normal LS

Normal

Pseudonormal

Increased

Increased Twist + LS diminished

Impaired

Diminished

Diminished

Diminished Twist + Normal LS

Impaired

Increased

Normal Twist + LS diminished

Impaired

Normal

Diminished Twist + LS diminished

Impaired

  1. LS Longitudinal strain