8 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... : Hyperflexion injury ... Discharge with orthpedic ... Mallet #Finger #Radiology ... #MSK
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... MV chordae may rupture ... base and body, tip ... papillary muscle injury ... Differential #Diagnosis #Cardiology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... Discharge with orthopedic ... Dislocation #IPJoint #Radiology ... Management #Hand #Orthopedics ... #MSK
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Causes of Pericarditis ... Cytomegalovirus • HIV ... • Post-cardiac injury ... syndrome • Dissection ... #Cardiology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Patellofemoral Syndrome ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics ... #Causes
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Check hip and ankle ... Compartment syndrome ... trauma/vascular/orthopedic ... #msk #clinical
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
involves aortic and mitral ... Cholesterol emboli syndrome ... Septic emboli cause ... injury by: • Early ... Differential #Diagnosis #cardiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This post will focus ... serious internal injury ... Most commonly caused ... #Radiology #CTChest