8 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain • Viral ... Bursitis • Abscess ... Onset • Fungal ... Infectious #JointPain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... to bacterial, fungal ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Legg-Calve-Perthes disease ... Hepatitis • Hematoma ... - HIV - Lyme disease ... Poikilothermia • Septic ... lower #extremity #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... pain/Night sweats ... Knee Effusions - Septic ... Alphavirus - Fungi ... differential #diagnosis #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... left shoulder pain ... septic arthritis ... #clinical #ultrasound ... #MSK
Purulent Ankle Joint on POCUS
Young patient 2 weeks status post ORIF of ankle fracture presents with
presents with ankle pain ... found to have septic ... #POCUS #clinical ... #ultrasound #msk ... infected #pus #abscess
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
infections (90%), Fungal ... Temporomandibular joint ... infections (caries, abscess ... causes (subdural hematoma ... differentiate disease
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
muscle aches, joint ... pain, chest pain ... Sinusitis • Brain abscess ... arthritis, and ... #Diagnosis #Management