36 results
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Neck Examination ... AV dissociation ... #Neck #PhysicalExam ... JVP #Clinical #Video
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... patient with AV dissociation ... #waves #AV #dissociation ... #clinical #video ... #JVP #jugular #neck
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... following the wave ... the underlying diagnosis ... Giant #PHTN #JVP #Neck ... PhysicalExam #Clinical #Video
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... hypertension Management ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... - Absence of T wave ... potassium #high #diagnosis ... #management #algorithm
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... Complications include swan neck ... tendon) • ED Management ... Radiology #XRay #Diagnosis ... #Management #Hand
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... are enough to diagnose ... JVP #Cardiology #Neck
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... 160ms) - AV dissociation ... nadir of the S-wave ... VentricularTachycardia #Versus #ecg ... #diagnosis #electrocardiogram
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
Hyperkalemia Typical ECG ... HR 30, peaked T waves ... flattening of P waves ... BRASH #Syndrome #diagnosis ... #management #pathophysiology