11 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Antiarrhythmic Medications ... Vaughan Williams Classification ... this class are beta ... EricsMedicalLectures/ #Antiarrhythmic ... #Medications #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... Vaughan Williams Classification ... duration CLASS 2 - Beta ... alpha & beta adrenergic ... #Pharmacology #Classification
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... Hypothyroidism - TOX: beta-blockers ... THREATENING CAUSES & TREATMENT ... - Drugs (beta-blockers ... #Bradycardia #Algorithm
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Vaughan Williams Classification ... duration CLASS 2 - Beta ... alpha & beta adrenergic ... #Pharmacology #Classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... before dropped beat ... after dropped beat ... No Treatment. ... HeartBlocks #Types #Classification
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
cardioversion, antiarrhythmics ... Revascularization, treatment ... Initiation of beta-blocker ... failure - Any beta-blocker ... calcium channel blocker
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... diltiazem or B-blockers ... - Consider antiarrhythmics ... #Tachycardia #Treatment ... management #cardiology #algorithm
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Algorithm ECG ... bradycardia, AV blocks ... Combo of insulin + beta-agonist ... glucose <100 • Beta-agonist ... #Algorithm #Management
Thyroid storm is a rare and life-threatening condition characterized by an acute exacerbation of thyrotoxicosis (elevated
Strategic Steps for Treatment ... adrenergic tone: Beta-blocker ... • Therapy to block ... peripheral conversion ... thyroidcrisis #beta-blocker
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
source of energy, conversion ... perfusion - shock->treatments ... before beginning treatment ... medications - Beta ... #typea #typeb #classification