47 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... • The cannon a wave ... it indicates AV dissociation ... activation from SVT (e.g
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
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... hypertension Management ... Cardiology #Diagnosis #ECG ... #EKG #Management
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
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 ... Hussainch #Cannon #Awaves ... 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 ... #ekg #cardiology
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... amplitude of P waves ... - Absence of T wave ... high #diagnosis #management
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Brady Management ... Non-conducted P waves ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... leading to AV node dissociation ... heartblock #cardiology #ecg ... #ekg #diagnosis
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
, Symptoms and Management ... despite hx HTN) EKG ... pseudoinfarct pattern (Q-waves ... Diagnosis #Stages #Management