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Featured Content


Grading the Calculators: Inside MDCalc's Quality Rating System
Discover how MDCalc is raising the bar for clinical decision support tools with the launch of its new Quality Rating System, designed to help clinicians quickly identify the most evidence-based, equitable, and trustworthy calculators at the point of care.

MDCalc Team
2 min read


Stop Before the CT: Are You Using PERC or Wells Correctly?
Clinical Scenario A 35 year old woman with no past medical history presents to the ED with pleuritic chest pain and shortness of breath. She is tachypenic but has a normal heart rate and oxygen saturation. She denies leg pain or swelling, or h/o DVT/PE.. She uses oral contraceptives. Her EKG is normal. Cardiac, lung, and extremity exam are unremarkable. You are considering using the Wells' Criteria and/or PERC Rule. Where do you start? Summary Use Wells' first if you're unsur
Eric Steinberg
May 42 min read


ACS in the ED: Should They Stay or Go?
Clinical Scenario A 55 year old woman with a history of hypertension and diabetes presents with chest pain for two hours. She describes it as a dull, burning and pressure-like pain in the middle of her chest that does not radiate. She denies any associated symptoms. She is well-appearing with a normal cardiac, pulmonary, abdominal, extremity, and neurologic exam. Her EKG is normal sinus rhythm without ischemic changes. After receiving Aspirin, Pepcid and Maalox, she states, “
Eric Steinberg
May 43 min read


C-Spine: NEXUS Criteria vs. Canadian C-Spine Rule
Clinical Scenario A 45 year old man presents with neck pain after being rear-ended at 30 MPH. He was a restrained driver, airbags deployed, and he walked at the scene. He denies head injury, focal weakness, or paresthesias, and reports having one beer an hour ago. Exam: GCS 15, mild midline tenderness at C6–C7, full strength, non-focal neurological exam including normal speech and decision-making capacity, no other injuries. He asks, “Do I really need a CT Scan?” Summary CCR
Eric Steinberg
May 42 min read
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