31 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... scapholunate dissociation ... perilunate or lunate dislocation ... #Scapholunate #Dissociation ... Scaphoid #Carpal #Radiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder Dislocation ... common major joint dislocation ... #Shoulder #Dislocation ... #Anterior #Radiology ... #XRay #Diagnosis
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
AV Dissociation: ... evidence of AV dissociation ... Interpretation #ECG ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... common major joint dislocation ... triad = posterior dislocation ... MetroHealth_EM #Elbow #Dislocation ... #Posterior #Radiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
waves indicate AV dissociation ... #PhysicalExam #JVP ... #Clinical #Video ... #Cardiology
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
patient with AV dissociation ... Awaves #waves #AV #dissociation ... #clinical #video ... #JVP #jugular # ... neck #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
hypertension Management ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
: Scapholunate dissociation ... , perilunate dislocation ... associated scapholunate dissociation ... Wrist #Carpal #Radiology ... #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... summary: • Dorsal dislocation ... #Perilunate #Dislocation ... Wrist #Carpal #Radiology