A 76-year-old woman is admitted to the hospital because of abdominal discomfort, nausea, vomiting, and abdominal distention. She is diagnosed with a small-bowel obstruction. She stated that she had ...
The axis of the ECG is the major direction of the overall electrical activity of the heart. It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD) or ...
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