Page 2413 - Cote clinical veterinary advisor dogs and cats 4th

1196 American Society of Anesthesiologists Classification System

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VetBooks.ir Disorders Causing Symmetrical Alopecia in Dogs—cont’d Diagnostic Tests
Common Clinicopathologic
Abnormalities
Disorders
Signs Apart From Alopecia
Hyperadrenocorticism Atrophic skin, calcinosis cutis, comedones, Stress leukogram, increased History, physical findings, ACTH stimulation test,
prominent cutaneous blood vessels, serum alkaline phosphatase, low-dose dexamethasone suppression test,
phlebectasia hypercholesterolemia, high-dose dexamethasone suppression
PU/PD, polyphagia, panting, pot belly, muscle hyposthenuria, urinary tract test, ultrasonography, urine cortisol/
atrophy, lethargy, testicular atrophy, infection creatinine ratio
abnormal estrus
Hyperestrogenism Skin hyperpigmentation, linear preputial Bone marrow suppression Signalment (often older cryptorchid male
dermatosis or intact female), physical findings,
Enlarged vulva, gynecomastia ultrasonography/radiography, histopathology
Abnormal estrus, abnormal sexual behavior (gonads)
Hypothyroidism Dull haircoat, scaling, myxedema, lethargy, Hypercholesterolemia, mild Total T 4, free T 4 , TSH, (+/− TgAA, TSH
obesity nonregenerative anemia stimulation test with hrTSH)
Rat tail appearance common
Pattern alopecia None None Signalment, skin biopsy
Pituitary dwarfism Skin hyperpigmentation, secondary pyoderma None Signalment, physical findings, basal and
Proportionate dwarfism, clinical signs of poststimulation GH measurement, total T 4
hypothyroidism (if concomitant TSH or free T 4
deficiency), hypogonadism (if concomitant
LH and FSH deficiency)
Sebaceous adenitis Scaling, follicular casts None Skin biopsy, trichogram
Telogen effluvium Only if systemic disease or physiologic stress None History, trichogram, skin biopsy
is present
ACTH, Adrenocorticotropic hormone; FSH, follicle stimulating hormone; GH, growth hormone; hrTSH, human recombinant thyroid stimulating hormone; LH, luteinizing hormone; PU/PD, polyuria/polydipsia;
T 4, thyroxine; TgAA, antithyroglobulin antibodies; TSH, thyroid stimulating hormone.
Reproduced from the third edition in unabridged form.

THIRD EDITION AUTHOR: Manon Paradis, DMV, MVSc, DACVD

American Society of Anesthesiologists Classification System

American Society of Anesthesiologists: Classification System for Physical Status and Recommended Tests for
Each Class
RECOMMENDED LABORATORY TESTS
Physical
Status Definition Examples Minor* Major † Prognosis
I Healthy with no organic disease Elective procedures, not necessary for health PCV, TP, urine specific CBC, U/A, surgical Excellent
(e.g., ovariohysterectomy) gravity panel ‡
II Local disease with no systemic signs Healthy nonelective surgery (e.g., skin PCV, TP, urine specific CBC, U/A, surgical Good
laceration, simple fracture) gravity panel ‡
III Disease causes moderate systemic Heart murmur, anemia, pneumonia, mild CBC, U/A, surgical CBC, U/A, Fair
signs that limit function chest trauma, moderate dehydration panel ‡ biochemical panel §
IV Disease causes severe systemic signs Gastric torsion, diaphragmatic hernia, severe CBC, U/A, biochemical CBC, U/A, Guarded
that threaten life chest trauma, severe anemia or dehydration panel § biochemical panel §
V Moribund, not expected to live for more Endotoxic shock, severe trauma, multiorgan CBC, U/A, biochemical CBC, U/A, Grave
than 24 hours with or without surgery failure panel § biochemical panel §
E Emergency Qualifier of above classes PCV, TP, urine specific Depends on Variable
gravity facilities available
*Minor is duration less than 60 minutes.
† Major is duration longer than 60 minutes or concerns patients older than 7 years.
‡ Surgical panel: urea, creatinine, alkaline phosphatase, alanine aminotransferase, glucose, sodium, potassium, chloride, total protein.
§ Biochemical panel: full panel includes surgical panel tests plus bicarbonate, anion gap, calcium, phosphorus, cholesterol, total bilirubin, gamma-glutamyltransferase, and albumin.
CBC, Complete blood cell count; PCV, packed cell volume; TP, total protein; U/A, urinalysis.
From Tobias KM, Johnson SA: Veterinary surgery: small animal, St. Louis, 2012, Saunders; Slatter D: Textbook of small animal surgery, ed 3, Philadelphia, 2003, Saunders.

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