161 results
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Algorithm CONSIDER ... sick sinus, AV block ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: • MOA: Block ... 2 - Beta Blockers ... : • MOA: Block ... : • MOA: Block ... #Classes #pathophysiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart Blocks ... 1st Degree Heart Block ... Mobitz I Heart Block ... Brady Management ... HeartBlocks #Types #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: • MOA: Block ... 2 - Beta Blockers ... : • MOA: Block ... : • MOA: Block ... #Classes #pathophysiology
Pharmaceutical Management of Hyperthyroidism / Thyroid Storm
Beta-Blockers 
• Decreases sympathetic hyperactivity 
• Partially blocks peripheral conversion
Pharmaceutical Management ... Thyroid Storm Beta-Blockers ... • Partially blocks ... Propylthiouracil (PTU) • Blocks ... Methimazole • Blocks
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... Sodium Channel Blockers ... are beta blockers ... Calcium Channels Blockers ... #Medications #Classification
Management of acute beta blocker/calcium channel blocker overdose

#Management #Toxicology #BetaBlocker #CCB #CalciumChannelBlocker #Overdose #Toxicity #Algorithm
Management of acute ... beta blocker/calcium ... channel blocker ... overdose #Management ... Overdose #Toxicity #Algorithm
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... or 3rd degree block ... • Reversible causes ... of AV block - ... PPM #cardiology #management
Beta Lactam Antibiotic Classification

UPDATE 10/2018: meropenem-vaborbactam added

Penicillins, Cephalosporins, Monobactam, Carbapenems 

 - Dr. David Serota @serotavirus

#BetaLactams
Beta Lactam Antibiotic ... Classification ... Cephalosporins #Classification ... #Pharmacology #Classes
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
, beta1 > beta2) ... > beta2 / alpha1 ... • Higher doses cause ... cAMP/cGMP • Causes ... Pharmacology #Summary #management