540 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction ... Stevens-Johnson Syndrome
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Acute Pharyngitis: Differential ... Acute Retroviral Syndrome ... Noninfectious: • Allergic ... #Pharyngitis #Differential ... #Diagnosis #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... #Differential #
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... Alkalosis - Differential ... administration Other causes ... Metabolic #Alkalosis #Differential ... #Diagnosis #Causes
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... Uveitis - Differential ... Posner-Schlossman Syndrome ... Anterior #Uveitis #Differential ... #ophthalmology
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... infection - Allergic ... disease Rare causes ... + T cells) - Allergic ... hypereosinophilia #HE #Differential
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Bowel Bleeding - Differential ... Diagnosis Common Causes ... SmallBowel #Bleeding #Differential ... #Diagnosis #Causes
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... hypereosinophilic syndrome ... histiocytosis • Allergic ... #Eosinophilia #Differential ... Diagnosis #Algorithm #allergy
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... gonorrhoeae, Viral, Allergic ... #Eye #redeye #Differential ... Diagnosis #table #causes ... #ophthalmology
Causes of Unprovoked Pediatric Seizures -  Epilepsy Syndromes - Differential Diagnosis Algorithm 
Infantile:
 • Benign
Causes of Unprovoked ... - Differential ... • Dravet Syndrome ... Unprovoked #Seizures #Differential ... Diagnosis #Algorithm #Causes