21 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... disorders • Celiac ... malignancy • Iron deficiency ... anemia #Thrombocytosis ... Algorithm #Causes #Hematology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... with anemia, diagnose ... tests Test for celiac ... Non-invasive testing ... #Evaluation #workup
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Anemia - Differential ... Diagnosis Algorithm ... - Structural: Celiac ... #Diagnosis #Algorithm ... #ferritin #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... bartonella (oroya fever ... #Differential #Diagnosis ... Algorithm #workup #hematology ... #testing
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Acute hemolysis, deficiency ... anemia, Rebound ... Vasculitides, IBD, Celiac ... #Algorithm #hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic anemia ... and laboratory diagnosis ... coagulation and other testing ... are required for evaluation ... #Hematology #Pathology
Celiac Disease Testing Algorithm
INDICATIONS FOR TESTING:  Nonspecific symptoms (iron-deficiency anemia, failure to thrive, fever, skin
Celiac Disease Testing ... symptoms (iron-deficiency ... anemia, failure ... to thrive, fever ... #Algorithm #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Clinical Features: Fever ... : ↑↑ ferritin, Anemia ... consistent with HLH OR Meeting ... 8 criteria: • Fever ... #hematology #criteria
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... necrosis) • VIT K deficiency ... mountain spotted fever ... #hematology #rheumatology ... #nonpalpable #dermatology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... especially in the setting ... tachycardia or fever ... count on initial evaluation ... neutrophil #WBC #CBC #hematology