12 results
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... • AV block ... Differential #Diagnosis #Classification ... #Table #Causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... criteria • Tx: Meds ... AFIutter + variable block ... abnormality • Beware AV ... Differential #Diagnosis #Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... causing ↓SA node and AV ... interval to prolong AV ... #Pharmacology #Classification ... #Classes #pathophysiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • AV Block (ISt ... with Variable AV ... Differential #Diagnosis #Algorithm ... #causes
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... STRUCTURAL: sick sinus, AV ... block, ischemia ... LIFE THREATENING CAUSES ... #Bradycardia #Algorithm
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... causing ↓SA node and AV ... interval to prolong AV ... #Pharmacology #Classification ... #Classes #pathophysiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... 2nd/3rd degree AV ... Block • Pacemaker ... Differential #Diagnosis #Algorithm ... #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate with AV ... Treat underlying cause ... Treat underlying cause ... management #cardiology #algorithm
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... seizure) #Diagnosis #Peds ... #EM #Classification
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
are typically able ... treat the primary cause ... to effectively block ... may not be the case ... clinica l#foamed #algorithm