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subjective data
symtoms
experienced only by patient
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objective data
signs
can be observed through physical exam
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4 types of health assessment
- 1. comprehensive
- 2. ongoing partial
- 3. focused
- 4. emergency
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health history
collection of subjective data that provides detailed profile of patient's health status
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Snellen chart
screening test for distant vision
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ophthalmoscope
lighted instrumen used to visualize interior structures of eye
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otoscope
lighted instrument used to examine external ear
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erythema
reddness
possible causes: alcohol, fever, trauma, infection
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cyanosis
bluish color
possbile causes: cold, decreased oxygenation
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jaundice
yellowish color
possible causes: liver disease, increase in bilirubin levels
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pallor
paleness
possible causes: anemia (decreased hemoglobin), shock (decreased blood volume)
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