23 results
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Shoulder Dislocation ... #Shoulder #Dislocation ... #Diagnosis #signs ... #orthopedics #pathophysiology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
be a cause of anterior ... J-shape." o Usually anterior ... shoulder dislocation ... Differential diagnosis ... GAGL): "Reverse J sign
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... hip dislocation ... onto lateral hip Signs ... msk #diagnosis #pathophysiology ... #signs #symptoms
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Syphilis (light-near dissociation ... ) • Pharmacologic ... (e.g Opioids, Alcohol ... • Botulism Pharmacologic
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... V2 • Wellens sign ... pain • Wellens sign ... #Equivalents #ECG ... #differential #
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
A displaced anterior ... fat pad (sail sign ... of the humerus should ... head and neck should ... a radial head dislocation
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... Equivalents / Don't Miss Signs ... in avL - early inferior ... Interpretation #differential
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC ... #hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology #
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... syncope (ruling out differential ... orthostatic vital sign ... and an initial ECG ... Further diagnostics should
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
ligament (near anterior ... MeralgiaParesthetica #MSK #pathophysiology ... #differential # ... diagnosis #signs