Cardiology

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An 83-year-old woman is brought by her daughter for evaluation becauseof increasing confusion during the past few days. The patienthas early Alzheimer dementia, hypertension, and type 2 diabetes. She takes donepezil, 10 mg/d;lisinopril, 5 mg/d; and glipizide, 5 mg bid. She is unable to bathe and dress herself as well as previously,has been crying for no apparent reason, and has lost her appetite.

A 20-year-old woman presents with a 3-week history of a pruritic, progressivelyenlarging erythematous lesion on one arm. She has a cat and recentlystarted horseback riding lessons. She is otherwise healthy and takes nomedication.

A 53-year-old man with type 2 diabetes mellitus and hypertension presented to the emergency department with pain in his left upper chest and back, neck, and shoulder. The pain increased with passive and active range of motion testing and decreased at rest. His physical examination was unremarkable except for restricted left shoulder movement and generalized tenderness in the left shoulder area.

A mildly painful, nonpruritic rash on the forearms and legs prompted a 42-year-old man to go to the emergency department. The patient noted the rashwhen he awoke that morning. He had had joint pain and fever for the past7 days and generalized malaise with chills that began about 3 days earlier.He had no significant medical history.

Hypertensive crises encompass a spectrum of clinical situations thathave in common elevated blood pressure (BP) and progressive or impendingtarget organ damage. Each year more than 500,000 Americans (about1% of all persons with hypertension in the United States) have a hypertensivecrisis. In large urban areas, 25% of visits to the medical section of any givenemergency department (ED) are attributable to a hypertensive crisis.

Acute Pericarditis

A 35-year-old woman (gravida 3, para 2) presented at 25 weeks’ gestation with a 24-hour history of continuous, pressure-like, retrosternal chest pain, radiating only to the back. The pain worsened when she lay down, took deep inspirations, or coughed; it diminished when she leaned forward. The patient had no significant medical history and was not taking any medications; she denied fever and illicit drug use.

An obese 61-year-old man who hadchronic obstructive pulmonary diseaseand sleep apnea heard a “pop”in his stomach while lifting a heavyweight; severe abdominal pain followed.He was short of breath thenext morning, and his physician empiricallyprescribed cephalexin.

A 72-year-old man with a history of rheumatic heart disease presented with pulmonary congestion and syncope. Results of the cardiac examination suggested mitral stenosis and atrial fibrillation with a controlled ventricular response.

A 52-year-old man complains of nausea, fever, and malaise following a 2-day diarrhealillness that developed at the end of a family vacation in New England.Two family members suffered a similar illness, characterized by watery diarrhea.Symptoms developed in all who were affected within 24 hours of eatinghamburgers at a local restaurant.

A 16-year-old girl was bothered byankle pain and “red spots” on herlower legs. These symptoms clearedin a few days without treatment. Sixweeks later, after returning from anall-day outing at a fair, she noticedthat the spots had reappeared (A)and hemorrhagic lesions had developedon the right ankle (B) and leftheel (C). After removing her shoes,the teenager felt severe pain in bothankles, particularly the right.

A 65-year-old woman, who was confined to a wheelchairbecause of severe rheumatoid arthritis, was concernedabout nodules that had erupted on her fingers and handsduring the previous 3 weeks (A). Her medical historyincluded colon cancer, chronic renal insufficiency, anemia,and hypertension. The nonpruritic nodules were painfulwhen they began to form under the skin; however, oncethey erupted, the pain disappeared.

Ten weeks before presentation, this55-year-old woman noticed decreasedsensation in her feet and a bluish discolorationof her toes. These symptomsprogressed rapidly, and pain andcoldness in both feet increased in intensity.Her feet subsequently becamegangrenous. Her seropositive arthritishad been diagnosed about 6 yearsearlier. The disease had been wellcontrolled until about 10 weeks beforethis photograph was taken.