76 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR shorted after ... P and QRS • Atrial ... HeartBlocks #Types #Classification
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification ... #Classes #cardiology
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Defect ** • Atrial ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... tachycardia • Atrial ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... autoimmune (most of the causes ... #Hemolysis #Classification ... #Algorithm
Causes of Diastolic Murmurs - Differential Diagnosis Algorithm
Early Diastolic:
 • Aortic Regurgitation
 • Pulmonary Regurgitation (Graham-Steell
Causes of Diastolic ... Differential Diagnosis Algorithm ... Flint Murmur) • Atrial ... Differential #Diagnosis #Algorithm ... #causes
Large Atrial Septal Defect and clearly not a PFO. I want to personally thank all the
Large Atrial Septal ... opportunity for clarification ... Clinical #Cardiology #POCUS
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... (3) Multifocal atrial ... block 1º - long PR ... 200ms from longer pause ... successively longer PR
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
- Differential Algorithm ... - Non-MSK - Axial ... #Differential #Algorithm ... #Causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Atrial depolarization ... contraction of atrial ... Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR