17 results
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... • AV block ... Medication side effect (e.g ... Differential #Diagnosis #Classification ... #Table #Causes
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... HeartBlocks #Types #Classification ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
with syncope • ... RBBB/LBBB with syncope ... Class Ill: • Syncope ... arrest, prolonged PR ... • Reversible causes
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... - Syncope Syndromes ... wave and short PR ... Wong @mchlwng #Syncope ... #Syndromes #ECG
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... look for a short PR ... , can be caused ... characteristically cause ... #EKG #ECG #Diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 1º - long PR intervals ... 200ms from longer pause ... successively longer PR ... bradyarrhythmia #ECG
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... • PR interval ... There is constant PR ... • The PR interval ... electrocardiogram #classification
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
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
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
evaluate potential causes ... Section: P, PR ... pathway that can cause ... Section: PR interval ... (prolonged PR interval