14 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... improves quickly with rest ... e.g., congenital hip ... #Joint #Pain #MSK ... approach #workup #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint ... Brucellosis - Viruses: HIV ... Effusions #causes #differential ... #diagnosis #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... spine, shoulders, hips ... • Rheumatic fever ... Joint #pain #Differential ... #Diagnosis #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Herpes zoster - HIV ... pain/swelling - Fever ... #Leg #pain #differential ... lower #extremity #msk
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... Lyme), reactive arthritis ... - parvovirus, HIV ... #Joint #Pain #MSK ... approach #workup #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Red Flags: • Fever ... ITP - APLS - HIT ... Fecal occult blood test ... • Abdominal ultrasound
Osteomyelitis / Septic Arthritis on POCUS

A diabetic adult presents with pain and fever at this site.
Osteomyelitis / Septic Arthritis ... on POCUS A diabetic ... with pain and fever ... #clinical #POCUS ... #ultrasound #msk
Finger Fracture on POCUS 

50yo female presents with 5th finger pain after her dog pulled on
dog pulled on his ... the following best ... there was high pre-test ... #clinical #ultrasound ... #MSK
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... and often causes arthritis ... Coronary arteries - Fever ... retinopathy Lab Tests ... Cryoglobulins • HIV
Septic Olecranon Bursitis on POCUS

A patient presents with fever to 102F and pain over her olecranon
Olecranon Bursitis on POCUS ... presents with fever ... An ultrasound over ... Olecranon #Bursitis #POCUS ... #MSK #Ortho