3956 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Poisoning • Anemia ... Marrow Failure • Anemia ... Myelodysplasia #Anemia ... Diagnosis #Algorithm #Causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Pernicious Anemia ... • Pancreatic Disease ... • Liver Disease ... Diagnosis #Algorithm #Causes
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... Iron Deficiency Anemia ... sprue, Whipple's disease ... ulcers, Crohn's disease ... #Causes #differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... thalassemia • Anemia ... chronic kidney disease ... Alcohol use, Liver disease ... differential #diagnosis #causes
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... Non-vertigo Organic Disease ... Hyperventilation • Anemia ... Drugs Psychiatric Disease ... Diagnosis #Algorithm #Causes
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... Intrinsic Causes ... : • Liver disease ... Intravascular Causes ... #Hemolytic #Anemia
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... : SIBO, Celiac disease ... Stomach: Pernicious anemia ... differential #diagnosis #causes
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... → Sickle Cell anemia ... malignancy, autoimmune disease ... Microangiopathic hemolytic anemia ... Diagnosis #Algorithm #causes
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... • Anemia of Chronic ... Disease • Marrow ... Non-lmmune #Anemia ... Diagnosis #Algorithm #Causes
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... obstructive pulmonary disease ... Interstitial lung disease ... • Anxiety • Anemia ... Diagnosis #Algorithm #Causes