17 results
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Diagnosis Algorithm ... Genetic: Hyper-lgE (Job ... eosinophilia Secondary ... B-cell lymphomas), Systemic ... #allergy
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 ... are asthma, allergy ... Differential #diagnosis #hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... Rhinitis - Allergic ... Lymphomas - Systemic ... Hypereosinophilic Syndrome ... #hematology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Fever, cough, SOB ... allergies; Cough, SOB ... loss, malaise • Allergic ... Hypereosinophilic Syndrome ... diagnosis #comparison #table
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Hypereosinophilia Syndrome ... Secondary Causes ... : - Allergic disorders ... Hypereosinophilia #Syndrome ... #diagnosis #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
into a 4-pass system ... pass = Dangerous secondary ... ESRD & CAD • Eosinophilic ... cell activation syndrome ... #allergy
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
a.k.a. extrinsic allergic ... ILD caused by inhalation ... Methotrexate ILD Secondary ... Tissue Disease: • Systemic ... Churg Strauss syndrome
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Primary Causes ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Myocardial • Systolic ... Artery Disease • Stable ... Acute Coronary Syndrome ... Chronic #Dyspnea #SOB
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... • Nephrotic syndrome ... #Secondary #dermatology ... Differential #Diagnosis #Algorithm ... #causes