596 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization; changes ... and irregular idioventricular ... Hyperkalemia #EKG #ECG #Changes
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Accelerated Idioventricular ... • Heart rate ranges ... #Accelerated #Idioventricular
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: • Na+ channels ... Phase • Ca++ channels ... Potential: • K+ channels ... CLASS 1 - Sodium Channel ... Block fast Na+ channels
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Escape Rhythm (i.e. idioventricular
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
agents - Sodium Channel ... agents - Potassium Channel ... agents - Calcium Channels
EKG CHANGES AND TOXICITIES TO CONSIDER

#Diagnosis #Toxicology #EKG #ECG #Toxidromes #Toxicities #Changes #Table
EKG CHANGES AND ... Toxidromes #Toxicities #Changes
Acute Pericarditis - EKG Changes

EKG Progression and Symptoms

#Acute #Pericarditis #Changes #EKG #ECG #Electrocardiogram #Diagnosis #Cardiology #Clinical
Pericarditis - EKG Changes ... #Pericarditis #Changes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... MOA: Block K+ channels ... Block slow Ca++ channels
Progression of EKG changes in ACS
 • Hyperacute T waves
 • ST depression and T waves
Progression of EKG changes ... depression and T waves changes ... elevation • T wave changes
Systematic changes affecting anesthesia in the obese patient.

 - Mark Harris, MD MPH @ https://twitter.com/MarkHarrisMD

#Obesity #Anesthesiology
Systematic changes ... Pathophysiology #Changes