Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - 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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causes algorithm management atlas hemolytic morphology nutrition rbc adultonset airway anesthesia aptt arteritis b12 bloodcell calculation checklist cirrhosis coagulation disease
Anemia - Underproduction Diagnostic Algorithm - Iron deficiency anemia - Anemia of chronic inflammation - Anemia
Diagnostic Algorithm ... - Iron deficiency ... Underproduction #Algorithm #hematology ... #diagnosis #differential ... #workup
Red Blood Cell (RBC) Morphology Atlas • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Microcytic - Iron-deficiency ... , Pulmonary emboli ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV) Low MCV - <80fL - "Microcytic" • Iron deficiency
Diagnostic Framework ... some patients) Normal ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Red Blood Cell (RBC) Morphology Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC: Pyridoxine deficiency ... Thalassemia, Iron deficiency ... Chemotherapy (e.g ... RBC #Morphology #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Diagnosis Algorithm ... #Differential # ... #workup #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor The maturation factor is
deficiencies: Iron deficiency ... , G6PD deficiency ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Causes of Thrombocytosis - Differential Diagnosis Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis): • Acute infection • Solid organ
Diagnosis Secondary ... malignancies • Anemia ... specifically: iron deficiency ... inflammatory disorders (e.g ... #hematology #secondary
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes Intravascular Hemolysis: • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... G6PD deficiency) ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Differential Diagnosis for a Prolonged PT and aPTT If the PT and the aPTT are both prolonged,
Differential Diagnosis ... amyloidosis #Abnormal ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Anemia Diagnostic Algorithm Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Normal range 11.5% ... of substrate (e.g ... #Algorithm #Diagnosis ... #Workup #Hematology
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