15 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 2 - Beta Blockers ... interval to prolong AV ... alpha & beta adrenergic ... #Pharmacology #Classification
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... STRUCTURAL: sick sinus, AV ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... are beta blockers ... #Medications #Classification ... #Summary #Table
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Phenomenon) 2nd Degree AV ... Block on EKG ... till a dropped beat ... #Block #AVBlock ... Electrocardiogram #labeled #clinical
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 2 - Beta Blockers ... interval to prolong AV ... alpha & beta adrenergic ... #Pharmacology #Classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
before dropped beat ... • Block in AV ... beyond AV node) ... #HeartBlocks #Types ... #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Block Type I aka ... Block type II ( ... • This is a clinically ... electrocardiogram #classification
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
obstruction _ pHA type ... I, type II - ... diseases _ pHA type ... - NSAlDs - Beta-Blockers ... #Hyperkalemia #Algorithm
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... Sinus pauses • AV ... block - Tachyarrhythmias ... Differential #Diagnosis #Classification ... #Table #Causes
Hyperglycemia - Differential Diagnosis Algorithm
Diabetes Mellitus:
 • Impaired Glucose Tolerance
 • Type I Diabetes
 • Type
Tolerance • Type ... I Diabetes • Type ... diuretics • Beta ... agonists • Others Critical ... endocrinology #causes