15 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... Block on Physical ... is shown on the neck ... heart block (2) ... heart block.
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
( multiple P waves ... or slowing of sinus ... rhythm ... the following P wave ... #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Block • In sinus ... rhythm with complete ... #ekg #ecg #diagnosis ... #electrocardiogram
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
rhythm & Multifocal ... are blocked or ... #diagnosis #ekg ... #electrocardiogram ... #clinical #comparison
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
or slowing of sinus ... rhythm - Once ... the following P wave ... #ekg #ecg #electrocardiogram ... #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Morphology = multifocal ... Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... Block (nothing
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... of conduction block ... Loss of visible P waves ... • "Sine wave" ... #ECG #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) Multifocal ... 3 different P waves ... (5) AV block ... #EKG #diagnosis
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... rhythm, when 2 ... or more P waves ... #Highgrade #AVBlock ... #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... decreases, the P wave ... is gradual and rhythmic ... presence of AV block ... #ekg #ecg #electrocardiogram