13 results
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
EKG Here’s a ... great ECG case of ... @EM_RESUS #AVRT ... #EKG #ECG #Electrocardiogram ... #Clinical
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... (AVNRT) - Pathophysiology ... - In most case ... ECG usually shows ... #AVNRT #Pathophysiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... maneuvers: SVT-AVNRT ... or AVRT • Standing ... Red Flag Symptoms
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
• Ventricular tachycardia ... effect (e.g. αblockers ... Subclavian steal syndrome ... effect (e.g. sedation ... Classification #Table
Pisa Syndrome (pleurothotonus) on Physical Exam
A tonic flexion of the trunk of the body to one
Caused commonly ... by: - drugs (e.g ... neurodegenerative disorders (eg ... Pathophysiology: ... #PhysicalExam #clinical
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Pathophysiology ... Clinical Manifestations ... unit activity on EMG ... of diazepam • EMG ... TPO, TTG, etc EMG
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... Guillain-Barre Clinical ... urinary retention, tachycardia ... Electrodiagnostic studies - EMG
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... renal failure Clinical ... of diagnosis (e.g ... Self-limiting, chronic but stable ... • Heerfordt syndrome