The latest health news, scientific trends and medical information
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Winter Weather? How to Stay Safe

From frostbite to heart attacks, winter weather can create many potential health hazards. As a blizzard hits much of the eastern U.S.  and temps in the single digits and below zero cover much of the country, here are some tips to keep you safe, both indoors and out. Preventing Frostbite …

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Travelers’ Diarrhea: New Guidelines for Prevention and Treatment

Travelers’ Diarrhea: New Guidelines Travelers’ diarrhea is the most predictable travel-related illness and affects 30%-70% of international travelers, depending on destination, season of travel, and other factors.[1] Although most cases of travelers’ diarrhea are self-limited and mild to moderate in severity, diarrhea can limit a tourist’s itinerary or business activities. Consequently, …

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Early Bronchodilator Use Increases Heart Disease Risk in COPD

New use of long-term inhaled bronchodilators is associated with an early increase in the risk for cardiovascular disease (CVD), the findings of a new study suggest. In a large observational study, the risk for CVD in people with chronic obstructive pulmonary disease (COPD) was increased approximately 1.5-fold during the first …

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Nerve-Transfer Surgery Improves Function in Paralyzed Hand

Transferring the C7 nerve from the nonparalyzed to the paralyzed side in patients with a stroke or other cerebral injury resulted in improved function and reduced spasticity in the affected arm, new research has shown. The study, led by Mou-Xiong Zheng, MD, PhD, Department of Hand Surgery, Huashan Hospital, and …

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Heparin-Induced Thrombocytopenia

Heparin-induced thrombocytopenia (HIT) is a complication of heparin therapy. [1]There are two types of HIT. Type 1 HIT presents within the first 2 days after exposure to heparin, and the platelet count normalizes with continued heparin therapy. Type 1 HIT is a nonimmune disorder that results from the direct effect of …

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Acquired Hemophilia

Acquired hemophilia is a rare but potentially life-threatening bleeding disorder caused by the development of autoantibodies (inhibitors) directed against plasma coagulation factors, most frequently factor VIII (FVIII). Signs and symptoms Most patients with acquired hemophilia present with hemorrhages into the skin, muscles, or soft tissues and mucous membranes. Intra-articular bleeding …

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Angina Pectoris in Emergency Medicine

Angina pectoris (AP) represents the clinical syndrome occurring when myocardial oxygen demand exceeds supply. The term is derived from Latin; the literal meaning is “the choking of the chest;” angere, meaning “to choke” and pectus, meaning “chest.” The first English-written account of recurrent angina pectoris was by English nobleman Edward Hyde, Earl of Clarendon. He …

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Anticoagulation in Deep Venous Thrombosis

Anticoagulant therapy remains the mainstay of medical therapy for deep venous thrombosis (DVT) because it is noninvasive, it treats most patients (approximately 90%) with no immediate demonstrable physical sequelae of DVT, it has a low risk of complications, and its outcome data demonstrate an improvement in morbidity and mortality. Meta-analyses …

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Acute Pericarditis

Practice Essentials Acute pericarditis is an inflammation of the pericardium characterized by chest pain, pericardial friction rub, and serial ECG changes. The first and last stages of ECG changes are seen in the images below. Stage 1 electrocardiograph changes in a patient with acute pericarditis. View Media Gallery Stage 4 …

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Acute Aortic Dissection

Aortic dissection is the most common catastrophe of the aorta, 2-3 times more common than rupture of the abdominal aorta. When left untreated, about 33% of patients die within the first 24 hours, and 50% die within 48 hours. The 2-week mortality rate approaches 75% in patients with undiagnosed ascending …

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