10 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... III agents - Potassium ... #Medications #Classification ... #Summary #Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... of phase 4 to slow ... 3 - Potassium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
open leading to slow ... Vaughan Williams Classification ... 3 - Potassium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... are present • Classic ... B-Cell ~90% • Low ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... event, follow ACC algorithm ... Change in clinical ... Orthopedic • Low ... if result will change
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
inhibition of "leak" K* channels ... Increased secretion of potassium ... Differential #Diagnosis #Low ... #Potassium #Classification ... #Causes
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Drug-associated: heparin, low-molecular-weight ... Diagnosis #High #Potassium ... #Classification ... #Causes
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
should use this algorithm ... risk of smallpox –low ... specimens from low ... See table below ... all HIGH RISK CASES