Internal Medicine
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Coronary Calcium to Guide Aspirin Primary Prevention
Researchers analyzed the MESA study to determine the comparative value of the pooled risk equation vs. CT coronary artery calcium score for determining which aspirin-naïve patients < age 70 years without overt coronary artery disease would benefit most from primary prevention with aspirin. They found a calcium score of > 100 was superior for this determination.
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Subclinical Leaflet Thrombosis: Not Just a TAVR Phenomenon
Imaging-defined leaflet thrombosis was common and similar between transcatheter aortic valve replacement and surgical aortic valve replacement bioprosthetic valves. These findings showed no apparent relationship to valve hemodynamics or to clinical outcomes, including stroke.
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Where Does Vericiguat Fit into the Heart Failure Medication Algorithm?
Vericiguat reduced cardiovascular death and heart failure hospitalization, although no reduction in overall mortality was observed over a short follow-up period.
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COVID-19 Lockdown Measures May Have Prevented 530 Million Additional Infections
Researchers studied actions taken in six countries and the resulting outcomes.
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Investigators Identify Connection Between Vascular Malformation, Gut Bacteria Profile
The presence of gram-negative bacteria was linked to an abundance of abnormalities known to cause strokes, seizures, and headaches.
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How Can This Patient Be Stable?
The ECG in the figure was obtained from a young adult who presented to the emergency department with palpitations, but who otherwise was hemodynamically stable. What is the diagnosis?
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Remdesivir Injection
Under a federal emergency authorization, remdesivir can be used to treat suspected or laboratory-confirmed COVID-19 in children or adults who are hospitalized with severe disease.
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Brief, Targeted Intervention to Stop Smoking
A one-minute intervention giving facts about the health impact of smoking was presented to men waiting to be seen in Hong Kong emergency rooms. At a six-month follow-up, investigators found a significantly higher abstinence rate in the intervention group.
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Coronary CT Angiography to Identify Plaque Stabilization
Researchers identified subjects with no known coronary artery disease drawn from a large international, multicenter registry of coronary CT angiography. The authors demonstrated those with a high density of calcium plaques experienced the fewest events, suggesting high-density calcium plaques are stable.