460 µg/24 h (1,268 nmol/24 h). Urine potassium, spot test:. 45 mEq/L (45 mmol/L) (normal, 17-164 mEq/L [17-164 mmol/L]).
Low-risk patients without evidence of myocardial infarction can be evaluated with an exercise or pharmacologic stress test. ... However, a stress test in a patient with probable acute coronary syndrome could provoke an extension of her myocardial
A 67-year-old woman is evaluated for the abrupt onset of right-sided pleuritic chest pain and moderate dyspnea seemingly triggered by an episode of vigorous coughing during symptoms typical of an upper respiratory infection. She smokes and has COPD.
A radiograph of the hand is shown. Which of the following is the most appropriate diagnostic test to perform next? ... Measurement of transferrin saturation is the most appropriate diagnostic test to perform next in this patient.
12. and folate are normal. Peripheral blood smear is shown. Which of the following is the most appropriate diagnostic test to perform next to evaluate this patient's anemia?
A 27-year-old man is evaluated for leg pain. The patient is moderately obese (BMI=33) and had been sedentary until recently, when he joined a health club. However, after only a few minutes on the treadmill, he develops progressive pain in both his
The patient is unable to touch his toes. Straight-leg-raising test results are normal.
A 68-year-old man was admitted to the hospital 3 days ago for a non-ST-elevation myocardial infarction and underwent cardiac catheterization via the right groin. Today, the patient reports pain in his left toes and diffuse soreness in the left calf.
A 29-year-old woman is evaluated for a petechial rash of the lower extremities of 3 weeks' duration. The patient reports no bleeding problems except for recent, occasional bleeding from her gums after brushing. Physician examination reveals
A recent HIV test was negative. He has used smokeless tobacco for 14 years.