13 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... - ventricular pacemaker ... #EKG #diagnosis ... #electrocardiogram
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... Wandering Atrial Pacemaker ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... Wandering Atrial Pacemaker ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
• In sinus rhythm ... by a junctional pacemaker ... ThirdDegree #3rd #AVBlock ... #ecg #diagnosis ... #electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
- Differential Diagnosis ... : • Sick Sinus ... /3rd degree AV Block ... • Pacemaker ... #Algorithm #causes
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
QRS widening • Sinus ... of conduction block ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... • This is a clinically ... by a junctional pacemaker ... #ecg #diagnosis ... #electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... exam • 12-lead ECG ... Paroxysmal AF, atrial flutter ... Atrial fibrillation/flutter ... valve prolapse • Pacemaker-mediated
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
or slowing of sinus ... #Paroxysmal #AVBlock ... #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #clinical