22 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockersâ €
Class II
Vaughan Williams Classification ... - Summary Table ... this class are beta ... III agents - Potassium ... #Summary #Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... duration CLASS 2 - Beta ... repolarization CLASS 3 - Potassium ... alpha & beta adrenergic ... #Pharmacology #Classification
Subtypes of Serum Proteins

Pre-albumin (Transthyretin)
Albumin
Globulins
 • Alpha-1: Alpha-1 antitrypsin, Serum amyloid A, Ceruloplasmin, Corticosteroid-binding globulin (Transcortin),
Corticosteroid-binding ... Angiotensinogen • Beta ... : C3 and C4, Beta ... Proteins #Subtypes #algorithm ... #classification
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... • Beta blockers ... cell membrane - Beta ... #high #nephrology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... duration CLASS 2 - Beta ... repolarization CLASS 3 - Potassium ... alpha & beta adrenergic ... #Pharmacology #Classification
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... • Beta blockers ... cell membrane - Beta ... #high #nephrology
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... Dialysis Serum potassium ... #hyperkalemia #potassium ... #high #diagnosis ... #management #algorithm
Modified penicillin binding proteins as mechanism of resistance to antibiotics.
Penicillin Binding Proteins (Transpeptidases) cross link peptidoglycan
Penicillin Binding ... the cell wall - Beta-lactam ... active site and block ... - Vancomycin blocks ... antibiotic (e.g. high
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
transplant - SLE High ... - NSAlDs - Beta-Blockers ... #Hyperkalemia #Algorithm
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
works by directly binding ... - When digoxin blocks ... Hyperkalemia (high ... potassium levels ... Since digoxin blocks