34 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... • ↓ slope of phase ... • ↓ slope of phase ... #Pharmacology #Classification ... #Classes #pathophysiology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... disease states Pathophysiology ... locations: Wrist, MCP ... infection • Imaging may ... #Gout #Comparison
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
your grand rounds/cases ... H. influenzae (COPD ... Pseudomonas — COPD ... MAC (structural ... #Microbiology #Causes
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... Diagnosis SHOCK • MAP ... Blood Loss, GI Losses ... Dehydration - Sophia Hayes ... Sophia_Hayes_MD #Shock #Classification
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
vast majority of cases ... pyrophosphate dihydrate (CPPD ... and/or x-ray - CPPD ... Chondrocalcinosis #Pseudogout #CPPD ... Signs #Symptoms #Pathophysiology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
but in severe cases ... may be in nephrotic ... May be 10 (eg direct ... Nephrotic #Syndromes #Classification
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... pain - Symptoms may ... several years - May ... decreased reflexes Pathophysiology ... - Continuation phase
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung bases ... and recruitment may ... non-perfused vessels and causes ... blood flow, which may ... In these cases comparison
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
They may begin with ... and metabolic causes ... Pseudoseizures (May ... Pseudoseizures #GrandMal #Classification ... Signs #Symptoms #Comparison