54 results
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Typical atrial flutter ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology ... #Classification
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
60 (1) Sinus bradycardia ... 200ms from longer pause ... #Tachycardia #Bradycardia ... #EKG #diagnosis ... electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Possible atrial flutter ... Treat underlying cause ... Treat underlying cause ... #management #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... fibrillation and atrial flutter ... Electrocardiogram #EKG ... #Cardiology #Digitalis
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... Bradyarrhythmias • Sinus bradycardia ... • Sinus pauses ... Differential #Diagnosis #Classification ... #Table #Causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) • Sinus Bradycardia ... Tachycardia • Aflutter ... • AFib • AFIutter ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus bradycardia ... (PACs), Atrial Flutter ... Differential #Diagnosis #Causes ... #cardiology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of ... uropathy, Metabolic causes ... Treatment is aimed ... Diabetes #Insipidus #Classification ... #Types #Nephrology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial flutter ... Atrial fibrillation/flutter ... • Bradycardia ... #Palpitations #Cardiology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... remember to tailor treatment ... Consider known drug causes ... (eg. remifentanil ... Management #Workup #Cardiology