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Preparation for General Anesthesia
Please note that appropriate testing and preparation must be completed prior to being anesthetized for the medical imaging procedure.
The following are the minimum requirements:
- Please offer no food after 10pm the night before the procedure. Water can be provided up to hospital admission.
- The testing should meet the requirements listed below.
- Information from the testing should include :
- Hard copies of the labwork results.
- Information regarding when, where and by whom the labwork was performed.
- Fill in the Online Imaging Request form and submit it to us or fill out the Imaging Request pdf form and fax it to us at (612) 626-6733.
- Please note if fine needle aspirates are planned, a platelet count will be indicated within 72 hours of the procedure. If core biopsies are planned, a coagulation profile will be indicated within 72 hours of the procedure.
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| Classification of Physical Status for Patients Undergoing Anesthesia* |
| Category |
Description |
Examples |
| I |
Healthy patient |
- No organic disease (e.g. normal dog with chronic lameness)
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| II |
Mild or moderate systemic disease without functional impairment |
- Cardiac disease, compensated (no medication)
- Geriatric
- Obesity
- Orthopedic disease
- Pediatric
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| III |
Organic disease with definite functional impairment |
- Anemia, mild
- Anorexia
- Cardiac disease, compensated (with medication)
- Dehydration, mild
- Fever, mild
- Neurologic symptoms (Seizures, Vestibular syndrome, Ataxia, Paresis)
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| IV |
Severe disease that is life - threatening |
- Anemia, severe
- Cardiac disease, decompensated
- Pulmonary disease
- Renal Failure
- Sepsis
- Shock
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| V |
Moribund patient, not expected to survive |
- Major trauma
- Multi - organ failure
- Profound shock
- Severe head injury
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| *Adapted from the American Society of Anesthesiologists (ASA) |
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| Testing Requirements For Patients < 5 Years Of Age |
| Physical Status Category |
Required Tests |
Tests Performed Within |
| I or II |
BUN, Glucose, PCV, TP |
30 days of referral |
| III |
CBC(1), ECG, Small Animal Profile(2), UA(4) |
7 days of referral |
| IV or V |
CBC(1), Chest Radiographs, ECG, Small Animal Profile(2) |
48 hours of referral |
| Testing Requirements For Patients ≥ 5 Years Of Age |
| Physical Status Category |
Required Tests |
Tests Performed Within |
| I or II |
PCV, Pre-Anesthetic Profile(3), UA(4) |
30 days of referral |
| III |
CBC(1), ECG, Serum Electrolytes, Small Animal Profile(2), UA(4) |
7 days of referral |
| IV or V |
CBC(1), Chest Radiographs, ECG, Small Animal Profile(2), UA(4) |
48 hours of referral |
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(1) CBC should include at least: Hematocrit, white cell count, differential.
(2) Small Animal Profile should include at least: Alb, ALP, ALT, AMY, AST, TBIL, BUN, HCO3, Ca, CHOL, CREAT, GGT, Glu, Phos, Mg, TP, Na, K, Cl.
(3) Pre-anesthetic profile should include at least: ALB, ALT, CREAT, Glu, Na, K.
(4) Urinalysis(UA) should include: Urine specific gravity.
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