Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 β€’ Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... G6PD deficiency) ... #differential # ... diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 β€’ Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... #Anemia #Differential ... #Diagnosis #Algorithm ... #workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 β€’ Acute infection
 β€’ Solid organ
- Differential ... specifically: iron deficiency ... , hemolysis, hemorrhage ... #Diagnosis #Causes ... #hematology #secondary
Causes of Iron Deficiency
 β€’ Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Diet: ↓ Intake, e.g ... hepcidin) β€’ Others: Hemolysis ... #Causes #differential ... #diagnosis #anemia
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Causes include : ... Pre-analytical cause ... #diagnosis #differential ... #hematology #coagulation
Massive Hemoptysis - Diagnosis and Management
 β€’ Definitions: 
   - Hemoptysis = bleeding from
- Diagnosis and ... respiratory tract (e.g ... has potential to cause ... β€’ Workup β€’ General ... #pulmonary #criticalcare
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Iron deficiency ... Microangiopathic hemolytic ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Red Blood Cell (RBC) Morphology Atlas
 β€’ Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
spherocytosis, Hemolytic ... , Pulmonary emboli ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
management Causes ... dyskinesia, A1AT deficiency ... #management #Differential ... #workup #algorithm ... #pulmonary
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 β€’ Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... Intravascular hemolysis ... athletic training, Pulmonary ... Diagnosis #Causes