4 results
The pulmonary embolism rule-out criteria (PERC) was created to reduce testing in patients who have a
rule-out criteria ... published on this score ... prospective randomized clinical ... #Diagnosis #EM # ... IM #PERC #Rule #
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Incidence: 4–5 cases per ... populations) CLINICAL ... Birbeck granules (EM ... DIAGNOSIS • Imaging ... organ function and rule
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
of prior silent pulmonary ... fever does not rule ... costs >$2,000 per ... #MRI #Brain #clinical ... #radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... : Pearls 50/50 Rule ... Pitfalls 50/50 Rule ... #Radiology #CTChest