12 results
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
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... transplant - SLE High ... LMW heparin - ACE-I ... - NSAlDs - Beta-Blockers ... #Hyperkalemia #Algorithm
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology Summary ... Vaughan Williams Classification ... 2 - Beta Blockers ... alpha & beta adrenergic ... #Pharmacology #Classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... before dropped beat ... HeartBlocks #Types #Classification ... #degrees #summary ... electrocardiogram #ecg
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • NSAIDs • ACE ... potassium • Beta ... cell membrane - Beta ... #potassium #high
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... High-grade AV Block ... electrocardiogram #classification ... #summary
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • NSAIDs • ACE ... potassium • Beta ... cell membrane - Beta ... #potassium #high
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Differential Diagnosis Algorithm ... • ENaC blockers ... nephropathy • Beta ... Differential #Diagnosis #Algorithm ... #Causes
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... high risk > 1% risk ... algorithm to determine ... Stable patients ... of Surgery: • High
Diagnosis and Management of Achalasia - ACG Guidelines

Who to suspect?
 • Patients presenting with progressive dysphagia
barium or the classic ... bird beaking" • High ... (HRM) Chicago classification ... Calcium channel blockers ... Anticholinergics, Beta-adrenergic