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Page 3Nervous System Procedures
Functional
Brain SPECT
| Clinical Indications |
Stroke,
cowdid stenosis, Alzheimer's disease, frontal lobe dementia, multiple infarct dementia,
schizophrenia, drug abuse (cocaine), obsessive compulsive disorder,
seizure, attention deficit disorder, traumatic brain dysfunction, sleep apnea,
AIDS, encephalopathy.
|
| Patient Preparation |
None.
Patient ability to hold still and follow directions. |
| Time Frame |
Total 2 hours. |
| Conflicting Examination or Medications |
None
|
Respiratory
Procedures
Lung
Ventilation and Perfusion
| Clinical Indications |
Rule out pulmonary
embolism, COPD, and asthma.
|
| Patient Preparation |
None. Chest X-ray highly recommended within 24 hours of V/Q scan.
|
| Time Frame |
Total time
1 hour.
|
| Conflicting Examination or Medications |
History
of corpulmonale or cardiac shunt are relative contraindications.
|
Lung Quantification
| Clinical Indications |
Pre-operative evaluation of carcinoma/pre-thoracotomy evaluation for percentage function of different lung fields |
| Patient Preparation |
None.
Recent x-ray highly recommended. |
| Time Frame |
Total time 30 minutes. |
| Conflicting Examination or Medications |
None |
Skeletal
Procedures
Bone (3 phase, limited or whole body)
| Clinical Indications |
Assess for bone
metastases, bone tumor, arthritic changes, Paget's disease, osteomyelitis,
osteonecrosis, bone trauma (stress fracture), loosening of prosthesis, aseptic
necrosis.
|
| Patient Preparation |
None. After injection, patient will need to hydrate
well |
| Time Frame |
Total time 4 hours.
|
| Conflicting Examination or Medications |
None
|
Bone
SPECT
| Clinical Indications |
Rule out
bone metastases, back pain, arthritic changes. |
| Patient Preparation |
None. After injection, patient will need to hydrate well.
|
| Time Frame |
IV
injection--1-1/2 hours over 2 appointments
-Appointment #1 -
15 minutes.
Patient returns in 2-3 hours for imaging. Scan time--1 hour.
-Appointment #2 - 1 hour, 15 minutes
|
| Conflicting Examination or Medications |
None
|
Therapeutic
Procedures
1-131
Therapy, Hyperthyroidism
| Clinical Indications |
Hyperthyroidism
|
| Patient Preparation |
Nuclear Medicine consultation. Recent
thyroid chemistries.
BHCG for all female patients of child-bearing age (12-55 no exceptions).
|
| Time Frame |
I-131 oral
dose--less than 20 minutes.
|
| Conflicting Examination or Medications |
•Thyroid Med Discontinue List:
-Radiographic contrast agents – 6 weeks
-Myelogram – 1 year
- Antithyroid drugs (PTU and Tapazole/methimazole) – 1 week
- Levothyroxine (Synthroid) – 6 weeks
- Triiodothyronine (Cytomel) – 2 weeks
|
| Special Notes |
This is a special order isotope. If exam must be cancelled, please have Nuclear
Medicine notified
24
hours prior to the exam. |
1-131
Therapy Thyroid Ablation/Metastases
| Clinical Indications |
Thyroid carcinoma.
|
| Patient Preparation |
Nuclear Medicine consultation.
|
| Time Frame |
Oral I-131
solution. Requires hospitalization. Visitation restricted.
|
| Conflicting Examination or Medications |
Discontinue
all thyroid meds. Recent (within 1-2 days),
serum pregnancy test (beta HCG) on all females in child bearing
age. Inpatient procedure 1-3 days.
|
| Special Notes |
This is a special order isotope. If exam must be cancelled, please have Nuclear
Medicine notified
at
least 24
hours prior to the exam.
|
Strontium-89
Therapy, Palliation of Pain From Bony Metastasis
| Clinical Indications |
For palliation of pain
from metastatic disease to bone |
| Patient Preparation |
Recent
CBC, X-rays, bone scan
|
| Time Frame |
Strontium-89 IV dose,
less than 30 minutes
|
| Conflicting Examination or Medications |
None
|
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