When evaluating a patient with stable chest pain and no known coronary artery disease (CAD), how does the clinician decide whether to order imaging or other diagnostic tests? One approach involves a ...

First, we need to estimate the pre-test probability that asymptomatic Massachusetts residents have Covid-19. We know that in the state approximately 2% of all tests for SARS-CoV-2, the virus that ...

Adding clinical risk factors and a coronary artery calcium (CAC) score to the conventional diagnostic algorithm for chest pain improves the prediction and discrimination of patients with suspected ...

A key component to managing the Covid-19 pandemic is frequent, rapid, and routine testing of a large number of Americans — including those without symptoms. With public discussion of this issue has ...

As Omicron surges through the community, getting the right answer from a Rapid Antigen Test (RAT) is not as straightforward as reading one or two lines off the kit. RATs are a convenient diagnostic ...

Does an elevated ultrasensitive D-dimer level in a patient whose pre-test probability puts him at low risk for pulmonary embolus (PE) indicate an increased risk for PE or deep venous thrombosis (DVT)?