27 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Placement Indications Class ... I or 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 Nausea / Vomiting - Differential Diagnosis Framework
 • Gastrointestinal 
    -
Approach to Nausea ... Disorders • Other Causes ... /AnthonyXuMD #Nausea ... Differential #Diagnosis #Classification
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... block 1º - long PR ... 200ms from longer pause ... 2º - Mobitz I ... successively longer PR
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
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... Differential Diagnosis Algorithm ... Non-lmmune #Anemia #Classification ... #Diagnosis #Algorithm ... #Causes #Hematology
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
Approach to Low ... - Differential Algorithm ... #Differential #Algorithm ... #Causes
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
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... ; oliguria • Classic ... sterile pyuria, WBC casts ... proteinuria, granular casts ... Nephritis #AIN #Algorithm
Approach to Neonatal Jaundice

Causes of pathologic hyperbilirubinemia can be classified as due to (1) increased bilirubin
Approach to Neonatal ... Jaundice Causes ... Neonatal #Jaundice #Algorithm