349 results
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
with Abnormal RBCs ... : • Abnormal RBC ... • Spherocytosis ... Xerocytosis • RBC
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... Morphology Microcytic RBC ... sometimes) Macrocytic RBC ... Bite Cell RBC: G6PD ... Spherocyte: Hereditary spherocytosis
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
↑ LDH • Anti-RBC ... schizocytes, Positive → spherocytosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Spherocytes - Hereditary spherocytosis ... coagulopathy (DIC) #RBC
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
hypertension • Unusual RBC ... acanthocytes - Consider RBC ... disorder (hereditary spherocytosis
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
• Hereditary spherocytosis ... elliptocytosis - RBC
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
• Intrinsic RBC ... e.g. hereditary spherocytosis
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
- Monomorphic RBCs ... - Dysmorphic RBCs ... Granular Casts - WBC ... Cast - RBC Cast
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
/ Normochromic RBCs ... TIBC, Hypochromic RBCs ... Decreased RBC ... Thalassemia • RBC ... Disorder • RBC
Urinalysis Interpretation (UA)

Bacteria, Leukocyte esterase, WBC, Nitrite, RBC, Epithelial 
cells, pH

#Diagnosis #Urinalysis #Interpretation #Analysis
Leukocyte esterase, WBC ... , Nitrite, RBC,