18 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... AWaves #diagnosis #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... AV dissociation ... block, or, as this case ... #AWaves #Neck #PhysicalExam ... Clinical #Video #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... to diagnose the case ... excludes other differentials ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Pressure Waveforms - Differential ... pulmonic stenosis - Cannon ... Atrioventricular dissociation ... #Diagnosis #PhysicalExam ... #cardiology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... amphetamines) Toxic: • Radiologic ... brain injury By Association ... #Hyperthermia #Differential ... #Anesthesia #Checklist
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
the potential causes ... Demyelinating disease (eg ... . tumefactive MS ... necrosis #Diagnosis #Radiology ... MAGICDR #DRMAGIC #Differential
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... interosseous nerve [cannot ... • If stable ... Forearm #Ulnar #Radiology ... Orthopedics #Proximal #MSK
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Obtain a 12-lead ECG ... consultation with cardiology ... By Association of ... Intraoperative #Checklist
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... anterior shoulder dislocation ... Differential diagnosis ... mri #clinical #Radiology ... #diagnosis #msk
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... obstruction - Able ... Limited value: cannot ... for non-calculus causes ... stones #calculus #Radiology