46 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... #RadiologyAssistant
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... anterior wall MI ... period without chest ... #Diagnosis #Cardiology
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... injury (LCL > MCL ... #Elbow #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... injury (LCL > MCL ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Normalization Spodick's sign ... seen in acute MI ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
's female with chest ... Triage EKG (no prior ... Sister had MI in ... Differential/diagnosis ... Echocardiogram #A4c #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Differentiating type-I vs. type-II MI

Sorting this out is difficult, often relying heavily on clinical judgement.

A key
relying heavily on clinical ... give someone 500 mcg ... The table below ... #Diagnosis #Myocardial ... NSTEMI #Comparison #Table
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Radiology Imaging ... Controversy: Subchondral fracture ... for secondary signs ... #mri #clinical ... #Radiology #diagnosis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... Radiology Imaging ... mass and NO prior signs ... #clinical #Radiology ... #diagnosis #msk