15 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockersâ €
Class II
Class I agents ... Channel Blockersâ € Class ... agents in this class ... beta blockers.â € Class ... III agents - Potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... & AP duration CLASS ... 3 - Potassium Channel
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Proximal and distal RTA ... #Diagnosis #Algorithm ... #causes #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... #Hypokalemia #Differential ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... Hypokalemia #diagnosis #Algorithm ... #differential # ... potassium #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... #Algorithm #Diagnosis ... #Causes #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Suggested diagnostic approach to a patient with exudative ascites. Low ascitic fluid protein should direct practitioners
Note: CT = computed ... Although nonhepatic causes ... This differential ... ascites #diagnosis #workup ... #algorithm #differential
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Causes of acute ... imaging with barium, CT ... #workup #diagnosis ... #differential