A 30-year-old woman is evaluated for management of new-onset atrial fibrillation. She has a history of tetralogy of Fallot that was repaired at age 18 months. She has had no cardiovascular concerns since that time and has not had regular follow-up
A 48-year-old woman is evaluated for a rash on her legs, arthralgia and myalgia, low-grade fever, and fatigue of 4 weeks' duration.
A. aPTT mixing study. B. Direct antiglubulin (Coombs) test. C. Intravenous immune globulin. ... D. Plasma exchange. E. Platelet antibody test. The correct answer is D: Plasma exchange.
Direct antiglobulin (Coombs) test:. Negative. A bone marrow aspiration reveals a “dry tap.” A peripheral blood smear and bone marrow biopsy are shown.
D. Exercise treadmill stress test. The correct answer is D: Exercise treadmill stress test. ... In this setting, an exercise treadmill stress test is the most appropriate noninvasive imaging study.
A 50-year-old man is evaluated for a 6-month history of dysphagia. He describes a sensation of both solids and liquids sticking in the midesophageal area. This sensation has slowly worsened over time. He also describes intermittent midsternal
Additional laboratory findings in patients with G6PD deficiency include a negative direct and indirect anti-globulin (Coombs) test and the presence of “bite” or “blister” cells produced when accumulated oxidized hemoglobin ... The direct
Chest radiographs are shown. Test Yourself MKSAP images 2010, American College of Physicians, Medical Knowledge Self-Assessment Program (MKSAP.
A 49-year-old woman is evaluated for recurrent burning and itching on her mid-back that have been present for 2 years. Physical examination discloses ill-defined hyperpigmented patches on the mid-back below the medial aspect of the scapulae, as shown
Pseudothrombocytopenia is a laboratory artifact in which platelets drawn into an ethylenediaminetetraacetic acid (EDTA)-anticoagulated test tube clump and fail to be counted accurately by the automated counter, resulting in a