27 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization causes ... in conduction causes ... prolonged PR and ... #Progression #Table
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification ... #Classes #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... Algorithm Before ... evaluating hypokalemia ... wasting from other causes ... suggests extra-renal causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... DrEricStrong #Hypokalemia ... Low #Potassium #Table ... #Classification ... #Causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Glucocorticoid deficit - Hypokalemia ... #Hyponatremia #Classification ... Differential #Diagnosis #Table ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... amzn.to/2LmUODZ #Hypokalemia ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS Evaluation ... Diamond-Forrester classification ... Ask about: - Changes ... physical activity - Nausea ... ChestPain #ACS #Evaluation