89 results
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Decreased RBC ... Infiltration Increased RBC ... Thalassemia • RBC ... Disorder • RBC ... Diagnosis #Algorithm #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... Diagnosis #Algorithm #Causes
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
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... dysmorphic RBC’s, RBC ... /WBC casts, proteinuria ... #Macroscopic #Differential
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Volume (MCV) - Differential ... - Fe/TlBC, MCV/RBC ... TIBC Normal - MCV/RBC ... inclusions in RBC ... #elevatedMCV #Differential
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... ischemia-induced RBC ... hemolysis) • RBC ... #Hyperkalemia #Differential ... Diagnosis #Algorithm #causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... /RBC casts ... Proteinuria #Nephrology #Differential ... Diagnosis #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 ... the patient have pulmonary ... Catheterization #RHC ... #hypertension #cardiology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Hematuria: 3 or more RBC ... hematuria: - RBC ... - Dysmorphic RBC ... #Hematuria #Differential
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Relative - Normal RBC ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary