33 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart Blocks ... 1st Degree Heart Block ... • Prolonged PR ... #HeartBlocks #Types ... #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... : • MOA: Block ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... - Mobitz Type 1 ... - Mobitz Type 2 ... have a Mobitz Type ... independently of the atria leading
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
channels open leading ... Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... tubular acidosis (Types ... and 2, but not type ... DrEricStrong #Hypokalemia ... Potassium #Table #Classification
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Algorithm • IV ... waves, Prolonged PR ... , asystole #hyperkalemia ... diagnosis #management #algorithm
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Diagnostic Approach to Hyperkalemia ... I, type II - ... NSAlDs - Beta-Blockers ... #Hyperkalemia ... #Algorithm #diagnosis
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... sick sinus, AV block ... LIFE THREATENING CAUSES ... Electrolytes (hyperkalemia ... #Bradycardia #Algorithm
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Type I aka Mobitz ... type II (aka Mobitz ... There is constant PR ... electrocardiogram #classification
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Diagnosis Algorithm ... tourniquet while drawing ... Differential #Diagnosis #Algorithm ... #causes #potassium