433 results
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
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR longest before ... PR shorted after ... HeartBlocks #Types #Classification
Breast Cancer Subtypes 
Histological Subtypes:
 • Preinvasive: Ductal carcinoma in situ (DCIS). Lobular carcinoma in situ
Triple-negative (ER-, PR ... Subtypes #oncology #classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
CEAP Classification of Chronic Venous Disorders
Clinical:
  C0 - NO clinical signs
  C1 - Small
CEAP Classification ... Pathophysiology: PR ... Obstruction #CEAP #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... There is constant PR ... • The PR interval ... electrocardiogram #classification
Classifications for COPD through the Years
Graphic Design by Mr. Ramon Thompson
#Diagnosis #COPD #Classification #Severity #Critera #GOLD2006
Classifications ... Diagnosis #COPD #Classification
Early Breast Cancer - Management Algorithm
 • Luminal A-like (ER+ and/or PR+, HER2- and low proliferation)
A-like (ER+ and/or PR ... B-like (ER+ and/or PR ... Triple-negative (ER-, PR
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
delta wave, short PR ... msec) 3 Short PR ... interval (PR <