34 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... The triquetrum ... fractured carpal bone ... common carpal bone ... functional deficit and arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Septic Arthritis ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis ... - Aneurysmal bone
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
Rheumatoid arthritis ... the articular bone ... Peri-articular osteopenia (bones ... Radiology #Clinical #Pathophysiology
Ascites, pericardial effusion, and left pleural effusion on subcostal 4-chamber POCUS echocardiogram

Subcostal window in SLE patient.
Ascites, pericardial effusion ... and left pleural effusion ... , left pleural effusion ... Robert Jones @RJonesSonoEM ... POCUS #clinical #ultrasound
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... - Large Joint Effusions ... Genitourinary tract -> Urethritis ... ReactiveArthritis #pathophysiology
Cardiac Rupture with Pericardial Effusion

Apical 4 chamber. Note larger right sided pericardial effusion with significant compression
with Pericardial Effusion ... sided pericardial effusion ... Robert Jones @RJonesSonoEM ... #pericardial #effusion ... Echocardiogram #ultrasound
Hydropneumothorax on Lung POCUS

HIV/AID(CD4<250) with cough, dyspnea.Left lung anterior mid. Left lung. Findings consistent with PNA.
Has pleural effusion ... Robert Jones @RJonesSonoEM ... hydropneumothorax #effusion ... POCUS #clinical #ultrasound
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
- Arthralgia, Arthritis ... Weakness, Incr CK • Bone ... Complications #pathophysiology
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
Psoriatic Arthritis ... insertion into bone ... Arthritis of DIP ... Arthritis mutilans ... PsoriaticArthritis #pathophysiology
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... production -> Joint effusion ... Osteoarthritis #OA #pathophysiology