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[1] [2] Typically the clot is a mural thrombus, meaning it is on the wall of the ventricle. [3] The primary risk of LVT is the occurrence of cardiac embolism, [1] [4] in which the thrombus detaches from the ventricular wall and travels through the circulation and blocks blood vessels. Blockage can be especially damaging in the heart or brain .
ECG manifestations of left ventricular hypertrophy (LVH) are common in aortic stenosis [7] [12] and arise as a result of the stenosis having placed a chronically high-pressure load on the left ventricle (with LVH being the expected response to chronic pressure loads on the left ventricle no matter what the cause).
A ventricular outflow tract obstruction means there is a limitation in the blood flow out of either the right or left ventricles of the heart, depending on where the obstruction is. This can lead to cardiac hypertrophy , dilatation of the heart, and ultimately heart failure in some cases. [ 1 ]
CRT: People with NYHA class III or IV, left ventricular ejection fraction (LVEF) of 35% or less and a QRS interval of 120 ms or more may benefit from cardiac resynchronization therapy (CRT; pacing both the left and right ventricles), through implantation of a bi-ventricular pacemaker. This treatment modality may alleviate symptoms, improving ...
Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]
Other findings include dilation of the left ventricle. [29] ECG typically shows left ventricular hypertrophy in patients with severe stenosis, but it may also show signs of left heart strain. [30] Echocardiography is the diagnostic gold standard, which shows left ventricular hypertrophy, leaflet calcification, and abnormal leaflet closure. [30]
Left anterior fascicular block (LAFB) is an abnormal condition of the left ventricle of the heart, [1] [2] related to, but distinguished from, left bundle branch block (LBBB). It is caused by only the left anterior fascicle – one half of the left bundle branch being defective. It is manifested on the ECG by left axis deviation.
The diagnosis of left ventricular outflow tract obstruction is usually made by echocardiographic assessment and is defined as a peak left ventricular outflow tract gradient of ≥ 30 mmHg. [35] Another, non-obstructive variant of HCM is apical hypertrophic cardiomyopathy (AHCM or ApHCM), [37] also called Yamaguchi syndrome.
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