{"ops":[{"insert":"A 26-year-old woman is brought to the emergency department because of a 2-day history of worsening shortness of breath. She is otherwise healthy and takes no medications. She appears pale. Her blood pressure is 95\/65 mmHg and pulse is 125\/min. Pulse oximetry on room air shows an oxygen saturation of 95%. Jugular venous pressure is elevated. Crackles are heard at both lung bases. A soft systolic murmur is heard over the left sternal edge. The peripheries are warm. Her hemoglobin concentration is 3.7 g\/dL. A blood smear shows microcytic anemia. Which of the following is the most appropriate next step in management?\n"}]}
Background
{"ops":[{"insert":"\n"}]}
(A)
Diuretics
{"ops":[{"insert":"\n"}]}
(B)
Beta blockers
{"ops":[{"insert":"\n"}]}
(C)
Blood transfusion
{"ops":[{"insert":"\n"}]}
(D)
Upper gastrointestinal endoscopy
{"ops":[{"insert":"\n"}]}
(E)
Continuous positive airway pressure
{"ops":[{"insert":"\n"}]}
References
{"ops":[{"insert":"ANAND IS, CHANDRASHEKHAR Y, FERRARI R, POOLE-WILSON PA, HARRIS PC. Pathogenesis of oedema in chronic severe anaemia: studies of body water and sodium, renal function, haemodynamic variables, and plasma hormones. Br Heart J [online] 1993 Oct, 70(4):357-62 [viewed 27 May 2019] Available from: http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/8217445"},{"insert":"\n","attributes":{"list":"ordered"}}]}