3690 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Macrocytes, Normal RBCs ... Spherocytes, RBC ... ) - Abnormal RBCs ... Diagnosis #Algorithm #Causes
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Microscopy and Casts ... - Monomorphic RBCs ... - Dysmorphic RBCs ... - Granular Casts ... - WBC Cast - RBC
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Urinalysis >3 RBCs ... (proteinuria, RBC ... casts, dysmorphic ... RBCs)? ... Nephrology if cause
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
/ Normochromic RBCs ... TIBC, Hypochromic RBCs ... Decreased RBC ... Disorder • RBC ... Diagnosis #Algorithm #Causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Neutrophils - Low RBC ... Pernicious Anemia RBCs ... Cells, Normal WBCs ... Diagnosis #Algorithm #Causes
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
glomerular hematuria (RBC ... casts or dysmorphic ... RBCs in urine)?
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... are caused by prerenal ... CONSIDER INTRINSIC CAUSES ... microscopy for WBCs ... , RBCs, casts, crystals
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
parasitemia - normocytic RBCs ... multiples per RBC ... P. falciparum causes ... human malaria cases
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
 -
- Defects in RBC ... - Defects in RBC ... Defects in the RBC's
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
with Abnormal RBCs ... : • Abnormal RBC ... Xerocytosis • RBC