15 results
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... /a-flutter • Rate ... EricsMedicalLectures/ #ClassIII #Antiarrhythmics ... Channel #Blockers #pharmacology ... #cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics ... • Slows sinus rate ... EricsMedicalLectures/ #Antiarrhythmics ... Classification #Classes #cardiology ... #pharmacology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Palpitations, light-headedness ... electrical) • Antiarrhythmic ... (< 5% pts with afibb ... #Fibrillation #AFib ... diagnosis #management #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology ... #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... #Pharmacology # ... Classification #Classes #pathophysiology ... #phases #cardiology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Beta Blockers - Pharmacology ... • Indications: Rate ... control of a-fib ... Beta #Blockers #Pharmacology ... Table #Receptors #cardiology
Acute Atrial Fibrillation - Initial Options for Rate Control
Diltiazem IV
 •  Rapid onset and rapidly
Initial Options for Rate ... of action • Rate ... #Control #pharmacology ... #management #cardiology ... #AFib #Acute
Here another patient with free abdominal air.
Notice the very thin regular line which is the diaphragm
impression one might ... this is just some plate-like ... #Clinical #Radiology ... FreeAir #Diaphragm #RadiologyAssistant
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... Decreased heart rate ... #Pathophysiology ... #cardiology
PA view
On the PA chest-film it is important to examine all the areas where the lung
for instance the right ... we will discuss later ... Clinical #Anatomy #Radiology ... ParatrachealStripe #RadiologyAssistant ... ParaAorticLine #PAView #RadiologyAssistant