21 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Class I (Ia, Ib ... • Widens QRS complex ... Class II - Beta ... VaughanWilliams #Classification
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... Polycythemia Vera • Chronic ... : • Acute or Chronic ... Inflammatory: • IBD ... Differential #Diagnosis #Algorithm
Parks Classification of Perianal Fistulas
 • Superificial (Simple) - Superficial fistula w/o crossing any sphincter or
Parks Classification ... simple if low, complex ... Fistula tract crosses ... muscle #Parks #Classification ... Perianal #Fistulas #IBD
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis Algorithm ... bronchoscopy to complete ... lung disease #Chronic ... #causes
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
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... Focal: Simple, Complex ... Atonic, Tonic-clonic ... Differential #Diagnosis #Algorithm
Complex Perianal Fistulas and Crohn's Disease - Management Algorithm
Factors for Operative Strategy
  • Fistula Classification
Complex Perianal ... Disease - Management Algorithm ... Strategy • Fistula Classification ... report that pain or chronic ... Crohns #Disease #IBD
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Differential Diagnosis Algorithm ... cancer, ulcer, IBD ... Increased hepcidin: Chronic ... arthritis and other chronic ... #Fe #algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... - Chronic diarrhea ... / IBD Renal Loses ... Magnesium #Table #Classification ... #Causes #Workup
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis Algorithm ... Marrow Transplant Chronic ... Celiac, IBD) • ... Chronic UTI) • ... endocrinology #causes