Archive for category: Radiology

Altitude Adjusted PERC Oxygen Saturation

27 Mar
March 27, 2017

The PERC rule has been a welcome addition to the emergency department evaluation of patients with chest pain or dyspnea suspected of pulmonary embolism. This┬áhas allowed a reduction in D-dimer testing in low risk patients. The traditional saturation cut-off of 95% can pose a challenge for patients seen at higher elevations where mild hypoxemia can […]

Relationship of Radiocontrast, Iodine, and Seafood Allergies

04 Feb
February 4, 2014

Computed Tomography (CT) scan using radiocontrast is one of the most common imaging modalities used in emergency departments today. Several studies and my own anecdotal experiences indicate that both physicians and patients believe that iodine allergies are linked to seafood allergies and that both are related to a disproportionate increased risk of “allergic” reactions to […]

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