14 results
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular ... heart disease Causes ... Bundle branch block ... full compensatory pause ... #Premature #Ventricular
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
aka Ventricular ... blocked PAC or PVC ... #Paroxysmal #AVBlock ... #Ventricular #Standstill ... cardiology #ecg #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Atrial rate > Ventricular ... Regular ventricular ... infranodal level: Ventricular ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The ventricular ... aka Ventricular ... blocked PAC or PVC ... ecg #diagnosis #electrocardiogram ... #classification
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Left or right ventricular ... bundle branch block ... preexcitation, or ventricular ... Differential #Diagnosis #Causes ... Cardiology #ECG #EKG #Electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
Paroxysmal AV Block ... blocked PAC or PVC ... escape, usually ventricular ... #Paroxysmal #AVBlock ... cardiology #ekg #ecg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Escape Rhythm • Ventricular ... • Premature ventricular ... Differential #Diagnosis #Algorithm ... #causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... • AV block ... Tachyarrhythmias • Ventricular ... Differential #Diagnosis #Classification ... #Table #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... 200ms from longer pause ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phases: Phase 0 - Ventricular ... efflux • Delays ventricular ... Vaughan Williams Classification ... #Pharmacology #Classification ... #Classes #pathophysiology