12 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... methotrexate) • Drugs Autoimmune ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Microangiopathic hemolytic anemia ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... #hematology #anemia
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis): • Acute infection ... malignancies • Anemia ... . autoimmune, TB ... Myelodysplastic syndrome ... #Causes #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
other reproducible morphologic ... inclusions - If infection ... elliptocytosis, autoimmune ... #Algorithm #workup ... #hematology #testing
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... Malignancy Infectious ... Hepatitis • HIV Autoimmune ... Chronic Fatigue Syndrome
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential Diagnosis ... Constitutional disorders, eg ... Chediak-Higashi syndrome ... Megaloblastic anemia-rare ... #causes #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... disease • Non-autoimmune ... fibromyalgia) • Infections ... . hematologic) ... lymphopenia, low PLT • Anemia
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
include diabetes, anemia ... seen in Reiter's syndrome ... Abnormal #Pathology #Diagnosis ... #PhysicalExam #Atlas ... #Beaus #Mees #Terrys
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
regurgitation • Autoimmune ... Hypercoagulable (APLAS ... Cholesterol emboli syndrome ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia