In addition to monitoring prothrombin time and partial thromboplastin time, many centers measure factor V serially as a sensitive index of synthetic function.

In addition to monitoring prothrombin time and partial thromboplastin time, many centers measure factor V serially as a sensitive index of synthetic function.

An acute life-threatening event (ALTE) is defined as any unexpected and frightening change in condition characterized by apnea, color change (usually blue or pale), sudden limpness, choking, or gagging. Of the following, the MOST likely cause is

Vocal cord paralysis is an important cause of laryngeal dysfunction. Paralysis may be unilateral or bilateral and is more often caused by

The primary cause of bronchiolitis is

Immunizations have had a great impact on the incidence of pneumonia caused by all the following EXCEPT