The ST Segment in ECG
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The ST segmentis a flat, isoelectric part of ECG in between the ending from the S wave (J point) and the start of the T wave.
It signifies the actual interval in between ventricular depolarization and repolarization.
The most significant reason for ST segment abnormality (elevation or depression) is myocardial ischaemia or infarction.
Causes of ST Segment Elevation:
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Acute myocardial infarction
Coronary vasospasm (Printzmetal’s angina)
Pericarditis
Benign early repolarization
Left bundle branch block
Left ventricular hypertrophy
Ventricular...
Friday, March 27, 2015
Wednesday, March 25, 2015
The Five Steps of a Breast Self-Exam
The Five Steps of a Breast Self-Exam
Supported by Video:
Step 1: Start by looking at your breasts in the mirror with your shoulders straight and your arms on your hips as shown in the photo
Step-1
Here's what you should look for:
Notice:
Breasts that are their usual size, shape, and color
Breasts that are evenly shaped without visible distortion or swelling
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If you see any of the following changes, bring them to your doctor's attention:
Dimpling, puckering, or bulging of the skin
A nipple that has changed position or an inverted nipple (pushed inward instead of sticking...