14 results
Lidocaine HCl - sodium channel blocker. Local anesthetic and class 1B antiarrhythmic. Originally developed in 1943
Lidocaine HCl - ... sodium channel blocker ... #Pharmacology #Lidocaine ... Xylocaine #Systemic #Review
Atrial Fibrillation RVR - Medications
Diltiazem
 • Preferred in patients with chronic lung such as Asthma and
decompensated CHF ... anyway to improve CHF ... rate control when beta-blockers ... conjunction with beta-blockers ... management #treatment #comparison
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Blockers Subclasses ... #Blockers #ClassI ... #Na #cardiology ... #pharmacology # ... table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Blockers: • MOA ... duration CLASS 2 - Beta ... block alpha & beta ... Vaughan #Williams #Pharmacology ... pathophysiology #cardiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
inhibition (NSAIDs, Beta-Blockers ... Heparin) • Sodium-channel ... blockers (Amiloride ... • Exogenous (KCL ... pathophysiology #pharmacology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Beta Blockers - ... Pharmacology Comparison ... in pt w/o CAD/HF ... #Blockers #Pharmacology ... #Receptors #cardiology
Diuretic Electrolyte Excretion Effects 
Diuresis, Na+, K+, Mg2+, Ca2+, Cl-, HCO3-, Uric Acid
 - Thiazide Type
+, Mg2+, Ca2+, Cl ... Epithelial Sodium Channel ... Blocker - Carbonic ... electrolytes #effects #pharmacology ... #comparison #table
Target Doses in Congestive Heart Failure
 • Beta Blockers: Bisoprolol, Carvedilol, Metoprolol succinate, ARNI, Sacubitril/valsartan
 •
Heart Failure • Beta ... Blockers: Bisoprolol ... #HeartFailure #CHF ... #pharmacology # ... cardiology
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
Calcium Channel ... Blockers - Dihydropyridines ... NonDihydropyridines #pharmacology ... #comparison #table ... #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Blockers: • MOA ... duration CLASS 2 - Beta ... block alpha & beta ... Antiarrhythmics #Pharmacology