1082 results
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
phase Phase 0: Depolarization ... Phase 1: Early repolarization ... #Pathophysiology ... Myocytes #Phases #Depolarization ... #Repolarization
Action Potential: Depolarization and repolarization of a neuron

#ActionPotential #Depolarization #Repolarization #Neuron #Neurology #Pathophysiology
Action Potential: Depolarization ... and repolarization ... ActionPotential #Depolarization ... #Repolarization ... Neuron #Neurology #Pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
- Ventricular Depolarization ... • Atrial depolarization ... and magnitude of depolarization ... phase 4 to slow depolarization ... Classification #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
and magnitude of depolarization ... phase 4 to slow depolarization ... prolong AV node repolarization ... prolong AV node repolarization ... Classification #Classes #pathophysiology
T-LGL leukemia - T-CeIl Large Granular Lymphocytic Leukemia
Clinical
 - Persistent (>6mo) lymphocytosis (2-20k) with proven clonality
- Positive: CD2 ... , CD3, CD8 - Loss ... of CD5 and/or CD7 ... Rarely can be CD4
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
for the rapid depolarization ... • Slows depolarization ... involved in phase 3 repolarization ... • Prolongs repolarization
How dendritic cells (DCs) orchestrate adaptive immunity
1- Sensing of microbial and damage signals by DCs
2- Phenotypic
activation 3- DC ... cell priming and polarization ... immunity #immunology #pathophysiology
Major electrocardiogram findings induced by left ventricular hypertrophy (LVH)
An increase in left ventricular mass augments the
alteration in repolarization ... in left atrial depolarization
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Blockade • Slows depolarization ... Blockade • Slows depolarization ... Blockade • Slows depolarization
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- T-cell - CD7 ... , CD3 Chronic ... - B-cell CD5