9 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 ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Tachycardia #EKG
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) • Sinus Bradycardia ... Aflutter • AVNRT ... • AVRT (ie ... WPW) - Narrow ... #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... - Wide vs Narrow ... (AVNRT, OAVRT, AFIutter ... Differential #Diagnosis #Table ... #Wide #Narrow #
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... can function) Wide ... bradyarrhythmia #ECG ... #EKG #diagnosis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... or AVRT - Observe ... Control rate (e.g ... Control rate (e.g ... #Stable #NarrowComplex
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... dysfunction • Bradycardia-tachycardia ... Valvular disease (e.g ... vagal maneuvers: SVT-AVNRT ... or AVRT • Standing
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... Wide-Complex Tachycardia ... cardioversion • If known SVT ... nodal agents (e.g ... irregular protocol #Stable
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
• Ventricular tachycardia ... effect (e.g. αblockers ... effect (e.g. sedation ... Classification #Table ... #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
heparinized tube) • ECG ... badness): Peak T, flat ... only if no clear cause ... Elimination (see Table ... Monitor for tachycardia