11 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... electrocardiogram (ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... electrocardiogram (ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
block is characterized ... on a surface ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzII
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
different P wave ... • Hypoxia • Pulmonary ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
atrial tachycardia (MAT ... ) - 3 different ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... • May be no pattern ... summary #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
three different ... endocarditis w/ septic pulmonary ... if suspected (e.g ... (+/- daily EKG) ... of infection (e.g
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... atrial flutter or MAT ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
with presence of pulmonary ... ECG is vital while ... They may benefit ... #differential #algorithm ... #management #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Cerebral > Splenic, pulmonary ... occlusion that may ... ↑ ESR, CRP • EKG ... Endocarditis #diagnosis #management ... #cardiology