55 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
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
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Framework Reflex Syncope ... Medication Effect: a-blockers ... bradycardia, Sinus pauses ... , AV block • Tachyarrhythmias
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
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Vasovagal syncope ... bradycardia • Sinus pauses ... • AV block ... side effect (e.g. αblockers ... Classification #Table #Causes
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... percentage of syncopal ... Sick sinus, AV block ... Others Non-syncopal ... differential #diagnosis #causes
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 ... • Block in AV
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
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: • MOA: Block ... duration CLASS 2 - Beta ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... /3rd degree AV Block ... Tachy-Brady Syndrome #Syncope ... #causes