10 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Diagnosis Algorithm ... Relative - Normal ... Positive - Low/Normal ... Abdominal Ultrasound
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
See Dermatomes Abdominal ... Muscles Abdominal ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... - Synovium - Oral ... Effusions #causes #differential ... #diagnosis #msk
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
echotexture of normal ... Tendon: Normal ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK ... #POCUS #Atlas #
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... atraumatic adolescent knee ... (save $$) Differential ... The physis is normal ... #msk
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... Skin biopsy • Abdominal ... ultrasound # ... #Diagnosis #Algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... disease - Renal ultrasound ... ; MRA; abdominal ... Oral sodium loading
Portal Venous Gas on Point of Care Ultrasound (POCUS) secondary to Necrotizing Pancreatitis

Adult male with abdominal
Portal Venous Gas ... Point of Care Ultrasound ... Diagnosis/Differential ... Age dependent differential ... #ultrasound
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
will often be NORMAL ... Differential Diagnosis ... #degeneration #knee ... clinical #Radiology #diagnosis ... #msk
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... forefoot, ankles, knees ... not possible • Ultrasound ... Dual-energy CT → MSU ... Glucocorticoids (oral