203 results
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Connective Tissue, Infections ... Lymphocytosis: Infection ... Lymphocytopenia: Infections ... • Neutropenia: Infections ... #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Sepsis • Non-infectious ... Myelofibrosis • Chronic ... #Diagnosis #causes ... #Platelets #hematology
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Subacute: • Acute Infections ... Emboli, Fungal Infection ... Infections: TB, ... Algorithm #lesion #pulmonary ... #differential
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... most likely to cause ... pulmonary infection ... It can also cause ... Mycobacterium #diagnosis #differential
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... normal prolactin, chaotic ... Radiation • Infection ... #Differential #
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Polycythemia Vera • Chronic ... Myelofibrosis Infectious ... : • Acute or Chronic
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
- Differential ... demyelination), Infectious ... Systemic: Systemic infection ... Inflammatory, Infectious ... Degenerative, NPH, Infectious
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
• Trauma Non-infectious ... Organ Specific Infection ... • Infectious ... disease Viral Infection ... Enterovirus Other Infection
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... History of Bleeding, Infection ... Age > 50 • Chronic ... #Hematology #Oncology
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
reaction - Helminth infection ... aspergillosis - Viral infections ... HIV, HTLVI) - Chronic ... 3, DOCK8) - Chronic ... hypereosinophilia #HE #Differential