11 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... bearing after injury ... Intra-articulation fracture ... diagnosis #msk #physicalexam
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
Chest Trauma Complications ... - Differential ... Wall: • Rib Fractures ... #Differential # ... Diagnosis #Algorithm #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Leg Pain: • Fracture ... Repetitive strain injury ... • Crush injury ... extremity #msk #physicalexam
Causes of Acute Pericarditis:

Infectious;

Viral: 
Adenovirus 
Coxsackie virus A and B 
Echovirus 
Epstein-Barr virus 
Hepatitis 
Human immunodeficiency
Causes of Acute ... esophageal perforation. chest ... Blunt chest trauma ... Rheumatic fever #Causes ... #Pericarditis #Differential
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Ludwig's angina Trauma ... Mechanical: • Larynx fracture ... inhalation • Tracheal injury ... #diagnosis #causes ... pulmonary #airway #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... other forms of trauma ... Vertebral burst fracture ... herniation - Trauma ... #lesions #differential
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
, POSTERIOR KNEE ... DISLOCATION: ~25% cases ... Compartment syndrome ... consider compartment syndrome ... Consider trauma/
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
• Surgery • Trauma ... • Nephrotic Syndrome ... mural thrombus • Paradoxical ... coagulation and other causes ... Vasculitis • Injury
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... papillary muscle injury ... Direct/indirect chest ... wall trauma, LV ... Primary #Functional #Differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
is the defining feature ... quantify renal injury ... Other tests: • CT chest ... Goodpasture's cause ... #differential #