13 results
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... - Markers and Differential ... Diagnosis Algorithm ... , CD3 Chronic ... #Disorders #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Diagnosis Algorithm ... Artifact (redo CBC ... Myelofibrosis Infectious ... effect following treatment ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... hematologic: Acute blood ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... : Chronic infections
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Diagnosis Algorithm ... Pseudotumor - Infectious ... Age > 50 • Chronic ... Lymphocytic Leukemia (CBC ... #Causes #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... Phagocytosis of blood ... Unknown cause Treatment ... #summary #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... • Peripheral blood ... glucocorticoid treatment ... #Differential # ... diagnosis #hematology
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Clostridioides Difficile Infection ... Diarrhea (>3 BM/d) ± blood ... Perforation) Pathophysiology ... Spore ingestion → colonic ... #1 nosocomial infection
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
of peripheral blood ... cultures, including blood ... #Bandemia #differential ... neutrophil #WBC #CBC ... #hematology #pathophysiology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... weeks without infection ... Lymphocytosis: Absolute blood ... microglobulin Treatment ... leukemia #CLL #Chronic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... pneumonia • Chronic ... Lung Abscess Pathophysiology ... Diagnosis: • CBC ... anemia • Sputum/Blood