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Tako Tsubo Cardiomyopathy: conventional

Home Miscelaneous Tako Tsubo Cardiomyopathy: conventional

Tako Tsubo Cardiomyopathy: conventional

apr 28, 2016 | Posted by Arco Teske | Miscelaneous |

Case

The presented case involves a 68-year old woman with a blank medical history despite chronic back complaints. For this she was put on pain-killers. After the first dose she developed a severe allergic reaction for which intramuscular adrenaline was administered. Shortly afterwards she complained of chest discomfort. The ECG on the emergency room showed T-wave inversion in the inferolateral leads with subtle ST segment elevations in the inferior leads. The laboratory results showed an elevated troponin. Due to ongoing complaints, an emergency angiography was preformed which showed completely normal coronary arteries with no stenosis.

Conventional ultrasound

An cardiac ultrasound was made subsequently which showed typical findings for a Tako Tsubo cardiomyopathy. LV systolic function was decreased with an LVEF of 45% with typical wall motion abnormalities: akinesia of the apex and hypercontractility of the basal segments. This can also be appreciated on the 3D reconstruction (9-slices and volumetric reconstruction).

 

 

 

 

Deformation imaging

Deformation imaging showed clear abnormalities in the apex and also the midventricular segments: no longitudinal systolic deformation and even some systolic stretching. This is accompanied with pronounced (extreme) post systolic shortening in these segments, even extending to the segments with normal peak systolic strain values.

 

Dia1

Dia2

Longitudinal deformation of the 4-chamber view. The apical segements (green and purple), extending to the id-lateral wall (blue) show no systolic shortening or systolic stretching (indicated by the stars). After the aortic valve closure there is marked post systolic shortening in these segments (indicated by the orange arrow). Also note the post systolic shortening in the other segments which show normal or moderately reduced systolic shortening. The second figure is in the same view and indicated the strain-rate. Indicated is the reduced systolic strain rate in the apex (stars in graph and black circle in color M-mode) and the marked post systolic strain-rate in almost all segments (yellow circle in the graph and the dotter black circle in the color M-mode)

Dia3

Dia4

Short axis views show the radial strain at the apical level (only 10 %) and the preserved radial strain in the basal level (35%). Analysis of the rotation and torsion reveals an absence of torsion in this disorder (indicated by the white line) due to synchronous rotation of the entire left ventricle in a clockwise direction.

Dia5

Dia6

Dia7

Follow up findings

After almost 2 weeks of follow up the ultrasound was repeated, showing complete normalization of LV systolic function and complete disappearance of the wall motion abnormalities. Deformation imaging showed partial normalization of strain values in all affected segments. The pronounced post-systolic shortening is still seen. Currently, we do not know if this will completely restore after longer follow up.

 

 

Dia8

Dia9

Tags: TT-CMP
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Arco Teske has contributed 37 entries to our website, so far. View entries by Arco Teske.

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