23 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Effusions - Septic Arthritis ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis ... Poststreptococcal reactive arthritis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... with rheumatoid arthritis ... oxalate Infectious Arthritis ... #diagnosis #arthritis
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Generally affects long bones ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #Disease #differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework Bone ... • Fracture • Arthritis ... syndrome • Arthritis ... Poikilothermia • Septic arthritis
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
Conditions With Arteritis ... Coronaries Takayasu's arteritis ... BP Giant cell arteritis ... CoronaryArtery #Coronaries #Arteritis ... #Differential #
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential ... Myalgia • Viral Arthritis ... • Septic Arthritis ... Infectious #JointPain #MSK ... #Differential #
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Infection • Septic Arthritis ... • Rheumatoid Arthritis ... Synovitis • Reactive Arthritis ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... • Rheumatoid Arthritis ... Asymmetric (Psoriatic Arthritis ... • Psoriatic Arthritis ... Inflammatory #JointPain #MSK
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential ... fractured long bone ... Trauma to Vessel (dislocation ... Vascular #JointPain #MSK ... #Differential #
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... thrombosis, Temporal arteritis ... Retro-orbital hematoma ... occlusion, Lens dislocation ... painful #painless #differential