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How is osteoporosis diagnosed?

Dual-energy x-ray absorptivity (DEXA) scans are used to diagnose. T Scores guide diagnosis.

What is osteoporosis?

Low bone mineral density and deterioration of bone tissue, increasing fragility of bone, risk of fracture due to this.

loss of bone

spongy bone of spine and neck of femur become most susceptible to femur

risk factors: lack of estrogen, calcium or vitamin Dj; petite body form; immobility; low levels of TSH; diabetes mellitus

Risk factors for osteoporosis

Why is osteoporosis consider to be a homeostatic imbalance?

Advanced age

Amenorrhea

Cigarette smoking

Current low bone mass

Late menarche or early menopause

Ethnicity (caucasian / asian)

Excessive EtOH

Family hx of osteoporosis or hx of fracture in a primary relative

Female

Hx of fracture over the age of 50

Inactive lifestyle

Long-term use of corticosteroids or anticonvulsants

Low lifetime calcium intake

Low testosterone levels in men

Thin / small frame

When you have low calcium levels in your blood your body reacts to restore that balance and this is by ionizing calcium from bones.

What are the 2 types of primary osteoporosis?

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Type 1 - postmenopausal (most common)

Type 2 - age related

What is homeostatic imbalance?

Disturbance of homeostasis, overwhelming the usual negative feedback mechanisms allows destructive positive feedback mechanisms to take over. usually used as definition of "disease"

by melissa borja

Osteoporosis Homeostatic Imbalance

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