568 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
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... #Differential #
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
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
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
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Differential Diagnosis ... Categorized by causes ... Cardiac, Pulmonary, MSK ... Pleuritic #ChestPain #Causes ... #Differential #
Causes of Unprovoked Pediatric Seizures -  Epilepsy Syndromes - Differential Diagnosis Algorithm 
Infantile:
 • Benign
Causes of Unprovoked ... - Differential ... • Dravet Syndrome ... Unprovoked #Seizures #Differential ... Diagnosis #Algorithm #Causes