2987 results
CARDIAC MYOCYTE POTENTIALS

#Pathophysiology #Cardiology #Cardiac #Myocyte #Ventricular #ActionPotentials #Channels #Phases
#Ventricular #ActionPotentials ... #Channels #Phases
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... Classes #Effect #ActionPotentials
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: • Na+ channels ... Phase • Ca++ channels ... Potential: • K+ channels ... CLASS 1 - Sodium Channel ... Block fast Na+ channels
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... MOA: Block K+ channels ... Block slow Ca++ channels
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
agents - Sodium Channel ... agents - Potassium Channel ... agents - Calcium Channels
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
cotransporter, K channel ... , Cl channel, or ... barrtin (recruits Cl channel ... epithelial sodium channels ... epithelial sodium channels
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
Pathophysiology #Cardiac #ActionPotential
Calcium Channel Blocker Overdose Overview - Joshua Feblowitz, MD 

#Diagnosis #Management #Toxicology #CCB #CalciumChannelBlocker #Overdose #Overview
Calcium Channel ... #Diagnosis #Management
Pharmacologic Treatments of Chronic Hypertension in Pregnancy
Central alpha-agonists
 - Methyldopa
 - Clonidine
Combined alpha- and beta-blocker
 -
Non-dihydropyridine Calcium Channel ... Dihydropyridine Calcium Channel ... Hypertension #Pregnancy #Management
Management of acute beta blocker/calcium channel blocker overdose

#Management #Toxicology #BetaBlocker #CCB #CalciumChannelBlocker #Overdose #Toxicity #Algorithm
Management of acute ... blocker/calcium channel ... blocker overdose #Management