143 results
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... have glomerular hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Algorithm #Nephrology #Diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Diagnosis Framework ... : 3 or more RBC/ ... : - RBC casts ... → Diagnostic of ... - Dysmorphic RBC
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
and Differential Diagnosis ... of Macroscopic Hematuria ... dysmorphic RBC’s, RBC ... /WBC casts, proteinuria ... #IM #Urology #Hematuria
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Pathologic Red Blood ... Cell (RBC) Morphologies ... cell, Other RBC ... Howell-Jolly bodies #RBC ... #Hematology #Diagnosis
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... (proteinuria, RBC ... Nephrology if cause ... #Diagnosis #Algorithm
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... - Differential Diagnosis ... Glomerular (Dysmorphic RBCs ... and/or RBC casts ... #Differential #Diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Decreased RBC ... Infiltration Increased RBC ... Thalassemia • RBC ... Disorder • RBC ... #Algorithm #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... - Differential Diagnosis ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... #Algorithm #Causes
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
Always interpret a RHC ... for suspicion of pulmonary ... Catheterization #RHC ... #diagnosis #pulmonary ... #hypertension #cardiology
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... == Decreased RBC ... Glucose Content • RBC ... Reduction == Increase RBC ... Dilutional Effect • RBC