03-18-2008, 10:41 AM
A 72-year-old woman comes to the health center for the first time because of palpitations for the past 3 weeks. She says she has felt tense and has had trouble sleeping. Vital signs are: temperature 37.0°C (98.6°F), pulse 104/min, respirations 18/min and blood pressure 142/80 mm Hg. Physical examination is normal except for a mild bilateral hand tremor. Electrocardiogram shows sinus tachycardia but is otherwise normal. Which of the following diagnostic studies will most likely rule out an organic cause for her symptoms?
A
) 2-Hour postprandial serum glucose concentration
B
) Echocardiography
C
) Holter monitoring
D
) Serum thyroid-stimulating hormone concentration
E
) Toxicologic screening of the urine
A
) 2-Hour postprandial serum glucose concentration
B
) Echocardiography
C
) Holter monitoring
D
) Serum thyroid-stimulating hormone concentration
E
) Toxicologic screening of the urine