11 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... WPW) - Narrow ... tachyarrhythmias #Cardiology ... #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Don't rely on criteria ... • HyperK vs AF+WPW ... #Tachycardia #Differential ... #causes #cardiology
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
WPW is caused by ... pathway between the atria ... #MedStudent #EKG ... DeltaWave #ShortPR #Criteria ... #ECGEducator
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib + WPW ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treat underlying cause ... Irregular Rhythm ... Treat underlying cause ... Treatment #management #cardiology ... #algorithm
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... more of AVRT in WPW ... #differential # ... cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... • Rapid and irregular ... (VT/Vfib/Afib/WPW ... #Palpitations #Cardiology ... #Differential #
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... to diagnose the case ... excludes other differentials ... PhysicalExam #JVP #Cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Marantic (NTBE) Differential ... -> TEE • Duke Criteria ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology