9 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
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
physician narrow the diagnosis ... petechiae/purpura with fever ... require emergent evaluation ... petechiae/purpura with fever ... #Diagnosis #Dermatology
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
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
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
necrosis) • VIT K deficiency ... mountain spotted fever ... #hematology #rheumatology ... #palpable #nonpalpable ... #dermatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... bartonella (oroya fever ... #Differential #Diagnosis ... Algorithm #workup #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Presentation: • Fever ... , GATA2 deficiency ... , CTLA4 deficiency ... #oncology #hematology ... #diagnosis #management
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... tachycardia or fever ... count on initial evaluation ... #differential #diagnosis ... neutrophil #WBC #CBC #hematology
Helpful Clinical Features in Evaluating Bleeding Disorders
Age of onset
 • Neonate - in 20% of haemophilias,
Clinical Features in Evaluating ... or factor XIII deficiency ... Disorders #History #peds ... #pediatrics #diagnosis ... #hematology #primarycare