17 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Testing Algorithm ... • Screen for secondary ... causes of eosinophilia ... (common causes ... Differential #diagnosis #hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... Lymphomas - Systemic ... Mastocytosis - Acute ... Hypereosinophilic Syndrome - Chronic ... #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Approach to Elevated ... into a 4-pass system ... 2nd pass = Chronic ... & Rx-related Secondary ... ESRD & CAD • Eosinophilic
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Methotrexate ILD Secondary ... Tissue Disease: • Systemic ... , Chronic • Pulmonary ... differential #pulmonary #causes
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Reactive: - Systemic ... Fatigue • Acute ... Age > 50 • Chronic ... #Causes #Hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Primary Causes ... Creatinine & BUN: • Chronic ... Pruritus #primary #secondary ... #causes
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... Differential Diagnosis Algorithm ... Blood Loss • Acute ... RBCs on Smear • Chronic ... #Causes #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Hypersplenism • Secondary ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... #Causes #Hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... discoloration) • Chronic ... #Secondary #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
histiocytosis (PLCH) • Eosinophilic ... Rheumatoid Arthritis, Systemic ... , Beomycin • Acute ... or Chronic Radiation ... Diseases #ILD #Causes