311 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - ... Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... #differential #Diagnosis
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... : • Acute or Chronic ... effect following treatment ... #Algorithm #Causes
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
• Returning traveler ... algorithm • Travel ... node biopsy • Clinical ... values supporting hematologic ... UnknownOrigin #workup #diagnosis
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... non-productive cough, nausea ... disease ARDS Diagnosis ... Epidemiologic exposure + clinical ... #treatment #management
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
Hypereosinophilic Syndrome • Clinically ... disorders • Diagnosis ... and Treatment Algorithm ... Syndrome #HES #Hematology ... #eosinophils #diagnosis
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
psittaci/avian, leptospirosis ... ) - Returning travelers ... PNA (acute or chronic ... NonResolving #Pneumonia #diagnosis
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #Causes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential Diagnosis ... hemorrhage) • Chronic ... #Differential #Diagnosis ... #Causes #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... Myelofibrosis • Chronic ... #Differential #Diagnosis ... #causes #Platelets ... #hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... - Differential Diagnosis ... Myeloproliferative Disorder • Chronic ... #Algorithm #Causes ... #Hematology