33 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... , Vasculitides, ... IBD, Celiac disease ... Diagnosis #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Kasabach-Merritt syndrome ... fever • Drug reactions ... Differential #Diagnosis #hematology ... #rheumatology #
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
failure - CAD/ACS ... HTN - Vasculitis ... Hepatopulmonary syndrome ... Transverse myelitis • Hematology ... : - Anemia
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
• Pancreatic Disease ... RBCs in Rouleaux ... Myelodysplastic Syndromes ... • Liver Disease ... Algorithm #Causes #Hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
AIHA, Transfusion reactions ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... Smear ↑ abnormal RBCs ... Differential #Diagnosis #hematology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Tunnel, Sicca Syndrome ... , Rheumatoid Vasculitis ... Rheumatoid Nodules, Pulmonary ... Disease and ILD ... RA #diagnosis #rheumatology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
, Liver diseases ... Myelodysplastic syndrome ... PD deficiency, Pulmonary ... Hemolytic uremic syndrome ... #differential #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... Other: Transfusion reaction ... differential #diagnosis #hematology ... #anemia
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
thromboembolic disease ... recurrent fevers, vasculitis ... • Hematologic ... Abnormalities: macrocytic anemia ... Autoinflammatory #Somatic #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... : • Behçet Syndrome ... • Cogan Syndrome ... , drug reactions ... differential #diagnosis #rheumatology