12 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... msocoMD #CanonA #Awaves ... #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 ... #PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... , it indicates AV ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... 1) Rate - Regular ... interval < 120 ms = AV ... Interpretation #ECG ... #Electrocardiogram
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
Paroxysmal AV Block ... block ( multiple P waves ... the following P wave ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... group-beating" on the ECG ... intervals are regular ... #ecg #diagnosis ... #electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
Paroxysmal AV Block ... on ECG - Characterized ... and persistent AV ... the following P wave ... #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
QRS, no P, sine wave ... dep, T inv, U wave ... assoc with 1K, AV ... diagnosis #cardiology #electrocardiogram ... #differential
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... • Block in AV ... #electrocardiogram ... #ecg #cardiology