LabDx
9/10/99
Complete the Glossary in the Syllabus
Differential Diagnosis:
A Strategic Approach
- Management
of a patient—2 aspects
a.
Diagnosis
b.
Treatment
i.
Prevention
ii.
Prognosis—forecasting
- Differential
diagnosis—list of possibilities
- Radiculopathy—is
it a diagnosis (an identifiable etiology)
- Neoplasm
- Infection
- Hemotoma
- Space
occupying lesion (SOL)
- Abscess
- Spinal
stenosis
Data Acquisition®analysis of positive findings®systems assignment®differential
category®differential
category®differential
diagnosis®testing
strategy®diagnosis®treatment
Data Acquisition
- History
- ROS
- 1000's
of pieces of information is gathered
- Diagnosis
is a way to test treatment
- Would
like to avoid the testing strategy to save money, time and be more
effective
- Risk
stratification—cost effectiveness
- Low
risk pt—limited amount of evaluation
- High
risk pt—needs more evaluation
- Moderate
risk pt
- Reduce
uncertainty—why we do testing
Sensitivity
- Finding
an abnormality when it is present
- Test
are about 90% sensitive
- Miss
about 10%
- A
function of cost
- Most
sensitive way to ID a pathological process—biopsy