A left- or right-axis deviation can sometimes occur in a normal heart but may also be a useful indication of disease. For example, a right-axis deviation may be observed in cases of right ventricular ...
A strategy of administering a transfusion only when the hemoglobin level falls below 7 or 8 g per deciliter has been widely adopted. However, patients with acute myocardial infarction may benefit from ...
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