17 results
Positive Hoffmann's sign (finger flexor reflex) in a patient with Multiple Sclerosis

The Hoffmann's reflex test itself
Positive Hoffmann's ... Sclerosis The Hoffmann's ... A positive Hoffmann ... reflexes may be pendular ... #Hoffmanns #Hoffmans
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 ... Classification #Classes #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1A: Moderate Blockade ... CLASS 1B: Weak Blockade ... CLASS 1C: Strong Blockade ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
In-stent Restenosis vs In-stent Thrombosis
 • In-stent Restenosis: Re-narrowing or blockage of a previously-treated artery by
Re-narrowing or blockage ... comparison #diagnosis #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
CLASS 1A: Moderate Blockade ... CLASS 1B: Weak Blockade ... CLASS 1C: Strong Blockade ... inotropy) ACCP Cardiology ... pathophysiology #phases #cardiology
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
• PAC can be blocked ... #PACs #cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
followed by a blocked ... Clinical #EM #IM #Cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
followed by a blocked ... Clinical #EM #IM #Cardiology
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
• Na+ channel blockade ... Pharmacology #Agents #Cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
a conducted or blocked ... blocks #AVBlock #cardiology