The most common causes of left ventricular hypertrophy, which is an increase in the size and thickness of the walls of the left ventricle, are aortic stenosis, aortic regurgitation, hypertension, cardiomyopathy, and coarctation of the aorta. These conditions can lead to increased pressure and volume overload on the left ventricle, resulting in an adaptive response of the heart muscle to become thicker and stronger to cope with the increased workload.
There are several methods to assess left ventricular strain, including electrocardiogram (ECG) indexes and echocardiography. ECG indexes are useful in providing information about the electrical activity of the heart, but they generally have high diagnostic specificity but low sensitivity for detecting left ventricular strain. Echocardiography, on the other hand, is a non-invasive imaging technique that can provide detailed information about the structure and function of the heart, including left ventricular strain.
LV strain normal values are typically expressed as a percentage, with values ranging from -20% to -25% indicating normal left ventricular function. LV strain on EKG can be assessed using various parameters such as QRS duration, QT interval, T wave abnormalities, and ST segment changes. However, these findings are not specific for left ventricular strain and may also be seen in other cardiac conditions.
MyLVHN MyChart is a patient portal that allows patients to access their medical records, including echocardiography results that may include information about left ventricular strain. LV strain echo normal values can vary depending on the specific measurement technique used, but values within the normal range indicate normal left ventricular function.
LVH strain pattern vs ischemia refers to the differentiation between left ventricular hypertrophy (LVH) and myocardial ischemia, which is a lack of blood flow to the heart muscle. LVH is often associated with increased left ventricular strain, while ischemia may manifest as abnormal ST segment changes on the ECG.
Normal average global longitudinal strain is an important parameter that reflects the overall function of the left ventricle. Values within the normal range indicate normal left ventricular function, while decreased values may indicate impaired cardiac function.
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