Radiographic evaluation of positional atelectasis in sedated dogs breathing room air versus 100% oxygen.

This study documents the degree of positional atelectasis in sedated dogs receiving 100% oxygen (O(2)) versus room air. Initial lateral recumbency was determined by an orthopedic study and initial treatment (O(2) or room air) was randomized. Each dog was maintained in lateral recumbency for 15 min, at which time ventrodorsal (VD) and opposite lateral thoracic radiographs were obtained.

Cardiomyopathy and right-sided congestive heart failure in a red-tailed hawk (Buteo jamaicensis).

A 15-year-old female red-tailed hawk (Buteo jamaicensis) was evaluated because of dyspnea, anorexia, and coelomic distension. Diagnostic imaging results confirmed severe coelomic effusion and revealed a markedly dilated right ventricle. The diagnosis was right-sided congestive heart failure.

Diagnosis and treatment of blastomycosis affecting the nose and nasopharynx of a dog.

Case Description: A 2-year-old 38.9-kg (85.58-lb) sexually intact male German Shepherd Dog was examined because of a 4-month history of severe nasal swelling and nasal mucosa congestion.

Effect of suckling an isotonic solution of sodium acetate, sodium bicarbonate, or sodium chloride on abomasal emptying rate and luminal pH in calves.

Objectives: To compare abomasal emptying rates in calves after suckling milk replacer or 3 common orally administered electrolyte solution components.

Animals: 5 male calves < 35 days of age.

Procedures: Calves with a cannula fitted in the abomasal body were fed 2 L of milk replacer with or without parenteral administration of atropine (0.

Fibrosarcoma adjacent to the site of microchip implantation in a cat.

A 14-year-old spayed female domestic shorthair cat presented with an interscapular mass. A computed tomography scan, biopsy, and histological examination revealed a fibrosarcoma adjacent to a pet identification microchip. Because the cat was previously vaccinated at this site, it is not possible to establish definitive causation of the fibrosarcoma, but this is the first report of a tumor in the vicinity of a microchip in a cat.

Ultrasonographic measurement of abomasal volume, location, and emptying rate in calves.

Objective: To develop and validate an ultrasonographic method for measuring abomasal volume, location, and emptying rate in suckling calves.

Animals: 9 male Holstein calves < 40 days of age.

Procedure: Before and after calves were fed different volumes of milk replacer or 2 L of oral electrolyte solutions, ultrasonographic measurements of abomasal dimensions (width, length, and height) were obtained by applying a 3.

Determination of abomasal emptying rate in suckling calves by use of nuclear scintigraphy and acetaminophen absorption.

Objective: To develop nuclear scintigraphic and acetaminophen absorption methods for measuring abomasal emptying rate in suckling calves.

Animals: 9 male Holstein-Friesian calves < 30 days old.

Procedure: Calves were fed 2 L of milk replacer, fresh cow's milk, or an isoosmotic (150mM) solution of NaCl, NaHCO3, or sodium acetate containing technetium TC 99m-diethylenetriamine-pentaacetic acid (370 MBq) and acetaminophen (50 mg/kg).

Investigation of pulmonary deposition of a nebulized radiopharmaceutical agent in awake cats.

Objective: To determine whether conscious, unsedated cats will inhale a nebulized material administered via a facemask and whether this material will reach the lower airways.

Animals: 20 healthy adult cats.

Procedure: Technetium Tc 99m-diaminetriaminopentaacetic acid (99mTc-DTPA) was nebulized into a spacer and administered to the cats via a closely fitting facemask.

The effect of a combination of medetomidine-butorphanol and medetomidine, butorphanol, atropine on glomerular filtration rate in dogs.

The effects of intramuscularly administered medetomidine and butorphanol (MB), and medetomidine, butorphanol, atropine (MBA) on glomerular filtration rate (GFR) were determined in six dogs as measured by 99m-Tc-labeled diethylenetriaminepentaacetic acid (99mTc-DTPA) nuclear scintigraphy. Direct systolic, diastolic, and mean arterial blood pressures and heart rate were measured at regular time intervals before, during, and after GFR calculations. The mean GFR measurement following MB was significantly greater (4.