276 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
interval on the electrocardiogram ... followed by a blocked
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
• PAC can be blocked ... diagnosis #ekg #ecg #electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
interval on the electrocardiogram ... followed by a blocked
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
: conducted or blocked ... cardiology #ekg #ecg #electrocardiogram
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
a conducted or blocked ... cardiology #ecg #ekg #electrocardiogram
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Some P waves are blocked ... diagnosis #ekg #electrocardiogram
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
- Na+ Channel Blockade ... Beta Receptor Blockade ... III - K+ Channel Blockade ... - Ca2+ Channel Blockade
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
neuromuscular blockade ... neuromuscular #blockade
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
a conducted or blocked ... ecg #diagnosis #electrocardiogram
Glucagon: Bypassing β-Blockade

Glucagon pathophysiology and clinical applications in anaphylaxis and beta-blocker overdose

#Toxicology #Pharmacology #Pathophysiology #Glucagon #BetaBlocker
Glucagon: Bypassing β-Blockade