akinesis


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Related to akinesis: dyskinesis
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Synonyms for akinesis

motionlessness attributable to a temporary paralysis

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Takotsubo cardiomyopathy (TCM) is a transient cardiac syndrome that involves left ventricular apical akinesis and mimics acute coronary syndrome (ACS).
Prior to removal, TTE revealed a substantially improved EF of 50-55% and resolution of the apical akinesis (Figure 3).
Left ventricular thrombi are thought to form during the acute phase of stress cardiomyopathy due to LV akinesis which causes blood stasis and increased catecholamine levels which leads to endothelial injury and hypercoagulable state [6].
The fourth important findings for the diagnostic of Takotsubo Cardiomyopathy are: (1) transient akinesis or dyskinesis of the apical and midventricular segments in association with regional wall motion abnormalities that extend beyond the distribution of a single epicardial vessel; (2) immediate ST segment elevation on ECG followed by T waves that become progressively more negative and a prolongation of the QT interval; (3) only a modest elevation of cardiac markers; and (4) absence on angiography of obstructive coronary artery disease or evidence of acute plaque rupture.
LV aneurysm was defined as a segment of the LV wall protruding from the expected outline of the ventricular chamber and displaying dyskinesis or akinesis.[sup][15]
The commonest form is apical ballooning syndrome characterized by apical and mid wall akinesis and hypercontractile basal left ventricular segments [10].
Causes of acute mitral incompetence [1,2] Organic causes of acute mitral Functional causes of acute incompetence mitral incompetence Leaflet perforation or chordae Dilated cardiomyopathy leads to tendineae rupture from leaflet tethering endocarditis Chordal rupture in myxomatous Acute ischaemic akinesis of wall valvular disease segments and papillary muscle dysfunction Papillary muscle rupture due to Takotsubos cardiomyopathy myocardial infarction Prosthetic valve dysfunction due to endocarditis Table 3.
The transthoracic echocardiography displayed visually assessed akinesis of middle left ventricular segments presenting even as dyskinesis of mid septal, anterior and inferior wall segments, hyperkinetic function of basal and apical segments and mildly decreased global ejection fraction of 46% in 3D echocardiography (Photo 1a and 1b).
An 80% reduction in coronary blood flow causes akinesis, whereas a 95% decrease causes dyskinesis.
The myocardium fails to contract normally, thereby creating an area of akinesis or bulge in the affected region.
Left ventriculography demonstrated distal inferior wall akinesis with overall preserved left ventricular (LV) systolic function.
Aboul-Nasr and Erakey (16) found that immobile or akinesis state of bedbugs C.
When threatened, the grass snake shows several defence mechanisms: feeing, aggressively hissing, secreting a stinking substance from the anal glands and even feigning death (thanatosis or akinesis) by turning its head upside down, sticking out its tongue sideways from the mouth (Figure 1) and, in exceptional cases, even squeezing out a droplet of blood from the mouth.
Anticoagulant therapy may be considered for patients with ST-segment Elevation Myocardial Infarction (STEMI) and anterior apical akinesis or dyskinesis (Class IIb).13 Chronic heart failure (CHF), in general, is the second most common cause of cardio- embolic stroke after AF.