23 results
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) Interpretation ... Look at the pCO2 ... the change in pCO2 ... Amy Chung, MD, MSc ... AcidBase #ABG #Interpretation
U/S - Is the shoulder IN or OUT?

Top Clip: IN (No Dislocation)
Bottom Clip: OUT (Anterior Dislocation!)
-
shoulder IN or OUT ... ) Bottom Clip: OUT ... EM_RESUS #Clinical #POCUS ... #MSK #Shoulder
Talar Gout on POCUS

Got the gouch! Talus shown with erosion, overhanging edge, and hyperemia at eroded
Talar Gout on POCUS ... Got the gouch ... Tap + MSU crystals ... #Talar #Talus #Gout ... #POCUS #MSK #Clinical
Posterior Shoulder Dislocation on POCUS

The team wasn't sure if shoulder had been reduced. Rather than send
Dislocation on POCUS ... Rather than send out ... #Dislocation #POCUS ... clinical #ultrasound #MSK
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Arthrocentesis Interpretation ... analysis: • MSU ... : Gout • CPPD: ... Arthrocentesis #Interpretation
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
likely real if 2 out ... common for coag-neg ... BCx #Laboratory #Interpretation
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Joint Causes of Leg ... Arthritis • Gout ... Skin Causes of Leg ... lower #extremity #msk
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
on POCUS 50s male ... Gram stain neg ( ... culture ultimately neg ... MSU crystals=Gout ... #ultrasound #MSK
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
be made, rule out ... Negative Straight Leg ... MeralgiaParesthetica #MSK
Gout Tophus on POCUS

Linear transducer about 1cm away from bone/joint, typical of small joint in a
Gout Tophus on POCUS ... joint suggests gout ... Herbst @EUSmkh #Gout ... tophi #clinical #POCUS ... #ultrasound #msk