235 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... Patterns #Comparison #Normal
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... commonly available spirometers ... Diagnosis #Pulmonary #Spirometry ... #Restrictive #Normal
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
of Anemia with Normal ... PRV, Chronic) Normal ... Anemias (MAHA) - Abnormal ... Hemoglobinopathy - Normal ... #Causes #Hematology
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... Findings: Variably abnormal ... often normal or ... near normal between ... : Persistently abnormal
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... Heart Disease Abnormal ... #Causes #Hematology
Isolated Hyperbilirubinemia - Differential Diagnosis Algorithm
Direct Hyperbilirubinemia: Dubin-Johnson Syndrome, Rotor Syndrome
Indirect Hyperbilirubinemia: 
 - Trauma, Hematoma,
Differential Diagnosis Algorithm ... Reticulocyte Count Normal ... Reticulocyte Count Abnormal ... Differential #Diagnosis #Algorithm ... #hepatology
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Differential Diagnosis Algorithm ... Infection - Abnormal ... • Tumor Normal ... • Asthma - Abnormal ... Congenital Anomaly - Normal
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Clotting tests can be abnormal ... an inhibitor of normal ... to have 50% of normal ... the test to be normal ... Plasma + Pooled Normal
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... AST): • US - Normal ... LFTs #Elevated #Abnormal ... #diagnosis #hepatology