39 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... Disease (e.g. ... #Anemia #MCV #Classification ... #Hematology
Causes of Constipation - Differential Diagnosis Framework
 • Motility: Diet, IBS-C, Colonic inertia, Pelvic floor disorders,
Causes of Constipation ... - Differential ... Calcium supplements, etc ... , Anal pain (e.g ... #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #hematology #secondary
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema chronicum ... Antiphospholipid-antibody syndrome ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
deficiency anemia, Chronic ... Chemotherapy (e.g ... myeloma Rouleaux: Chronic ... RBC #Morphology #differential ... #diagnosis #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs on Smear • Chronic ... Disease • Marrow ... Non-lmmune #Anemia #Classification ... Diagnosis #Algorithm #Causes ... #Hematology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... draw • Severe pain ... • Parkinson’s disease ... Subclavian steal syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... #differential # ... diagnosis #hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Neoplastic / Hematologic ... Obstructive Pulmonary Disease ... Fatigue Syndrome
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
kidney disease, ... Myelodysplastic syndrome ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology