43 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 Diagnosis ... Effusions - Septic Arthritis ... #Effusions #causes ... #differential #diagnosis
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
- Differential Diagnosis ... Usually involves the knee ... , psoriatic arthritis ... #Differential #Diagnosis ... #Causes #Schema
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
Septic Arthritis ... Notes: - Septic Arthritis ... monoarticular & the knee ... S.A. can also be caused ... pathophysiology #diagnosis
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
Aortitis - Diagnosis ... hypertension) - Symptoms ... depending on the cause ... , Takayasu arteritis ... #Differential #Causes
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
Psoriatic Arthritis ... tenderness over ligament ... Arthritis of DIP ... pathophysiology #diagnosis ... #signs #symptoms
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Tendon • Ligament ... or nerve root Symptoms ... • Inflammatory arthritis ... #differential #diagnosis ... #arthritis
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... lateral hip Signs/Symptoms ... weight-bear • Arthritic ... Fractures #msk #diagnosis ... pathophysiology #signs #symptoms
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... the following symptoms ... Cervical spine arthritis ... • Associated symptoms ... #differential #diagnosis
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
- May involve symptoms ... neuropsychiatric symptoms ... Median arcuate ligament ... patient is in the knee-to-chest ... #differential #diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... Valgus position of knee ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk