520 results
#Electrochemical gradient
#Charge #gradient
#Highconcentration
#Lowconcentration
#Freediffusion
#Channel
#protein
#Pore
#Transporter
#Passivetransport
#Facilitateddiffusion
#Conformational change
Freediffusion #Channel ... Conformational change
Dihydropyridine Calcium Channel Blockers

Mechanism of Action:  L-Type calcium channel blockade - Inhibits the influx of
Dihydropyridine Calcium Channel ... L-Type calcium channel ... Dihydropyridine #Calcium #Channel
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium Channel ... Antiarrhythmics #Sodium #Channel
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
Calcium Channel ... CCBs #Calcium #Channel
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Antiarrhythmics - Potassium Channel ... Antiarrhythmics #Potassium #Channel
EKG CHANGES AS A RESULT OF CHANGES IN NA OR K CHANNEL CONDUCTION - GRAPHIC BY
EKG CHANGES AS A ... RESULT OF CHANGES ... IN NA OR K CHANNEL ... Channelopathy #Channels
CARDIAC MYOCYTE POTENTIALS

#Pathophysiology #Cardiology #Cardiac #Myocyte #Ventricular #ActionPotentials #Channels #Phases
ActionPotentials #Channels
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
#Membrane #Channels
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