27 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... Treatment 2nd Degree, Mobitz ... . 2nd Degree, Mobitz ... HeartBlocks #Types #Classification ... #degrees #summary
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
I or II • Mobitz ... Class II: • Mobitz ... LBBB with syncope Class ... arrest, prolonged PR ... • Reversible causes
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
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
1º - long PR intervals ... 200ms from longer pause ... 2º - Mobitz I ... successively longer PR ... II / Mobitz - ,
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
ECG Diagnosis Summary ... • PR interval ... Type I aka Mobitz ... electrocardiogram #classification ... #summary
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
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 ... Differential #Diagnosis #Causes ... #Algorithm
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology Summary ... Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Classes #pathophysiology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... #Anemia #MCV #Classification ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #Classification