Justin is giving Bernie, an elderly patient, a therapeutic backrub. Bernie has two sore arms. Justin places Bernie in a side-lying position, and he places a bath towel on the bed along Bernie's back. Justin then takes warm lotion and
places it on Bernie's lower back. Justin used long, upward strokes to move from the buttocks to the shoulders.
Based on this part of the backrub, which best explains the procedure?
Justin should have moved from his shoulders to his buttocks, and Bernie should have been put in the prone
position.
Bernie should have been put in the prone position, and he should have been told about the lotion being wet and
cool.
Bernie should have been told about the lotion being wet and cool, and Justin should have used short, downward
strokes.
Justin should have used short, downward strokes, and he should have moved from Bernie's shoulders to his
buttocks.

A62-year-old man is being treated for an acute myocardial infarction. he originally came to the ed with substernal chest pain and diaphoresis. given his risk factors of hypertension, diabetes, tobacco use, and family history, he is considered high risk. an ecg in the ed reveals a left-bundle branch pattern, and cardiac enzymes are elevated slightly. after a focused evaluation in the ed, the patient receives iv thrombolytics. although his bundle branch pattern never resolves, the patient is chest pain-free and haemodynamically stable after thrombolysis. two days later, however, the patient reports episodes of recurrent chest discomfort and shortness of breath overnight. in evaluating for potential myocardial reinfarction, which of the following is the most appropriate diagnostic test? - creatinine kinase- dynamic ecg changes- lactate dehydrogenase- myoglobin levels- troponin i level