36 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... of Chronic Disease ... of Chronic Disease ... , Chronic Infection ... #MCV #Classification
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... - HIV infection ... hemolytic anemia ... Hypertension #PHTN #Classification ... #Diagnosis #Differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
syndrome - Thrombotic ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... Extravascular #Causes #differential ... #anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
kidney disease, ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology ... #anemia #differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
hemolysis, deficiency anemia ... Vasculitides, IBD, Celiac disease ... TPO, TPO-RA • Infections ... : Chronic infections ... bacterial and viral infections
Infections in Immunocompromised Patients - Differential Diagnosis Summary
Innate Immunity:
 • Neutropenia
 • Phagocytic Deficiencies
 • Complement
Infections in Immunocompromised ... Medications • Chronic ... Diseases Summary ... Immunocompromised #Infections ... diagnosis #infectiousdiseases
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Myelofibrosis Infectious ... : • Acute or Chronic ... disorders • Celiac disease ... Iron deficiency anemia
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hypogammaglobulinemia -> increased infection ... history of recurrent infections ... • Infectious ... community-acquired infections ... infections (Epstein-Barr
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... : Anemia, Arrhythmia ... , Anaphylaxis, Infection ... Depression - VA
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Weakness • Cardio-pulmonary ... diseaseAnemia ... • Chronic Infection ... • Endocrine Disease ... Dermatomyositis • Viral infection