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Query: UMLS:C0231835 (tachypnea)
 2,543 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Whole body hyperthermia to 42 degrees C was induced in five normal beagles, using a humidity- and temperature-controlled chamber. Core temperatures of 41.2-43.0 degrees C were achieved in 50 min and maintained for 60 min. Cardiopulmonary responses included marked tachypnea and tachycardia. Blood gases underwent progressive drops in both PO2 (mean, 117 torr) and PCO2 (mean, 22 torr), suggesting the possibility of the development of a diffusion barrier during heating. Increased anion gaps in the face of respiratory alkalosis indicated that a metabolic acidosis developed in the heated dogs. Transient but significant drops in serum potassium and phosphorus were also observed during hyperthermia. Other physiological data, including serum chemistries, complete blood count, colony-forming units, and urine electrolyte excretion, did not change significantly.
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PMID:Physiological studies of whole-body hyperthermia of dogs. 398 8

Records of 127 cats with arterial thromboembolism (ATE) were reviewed. Abyssinian, Birman, Ragdoll, and male cats were overrepresented. Tachypnea (91%), hypothermia (66%), and absent limb motor function (66%) were common. Of 90 cats with diagnostics performed, underlying diseases were hyperthyroidism (12), cardiomyopathy (dilated [8], unclassified [33], hypertrophic obstructive [5], hypertrophic [19]), neoplasia (6), other (4), and none (3). Common abnormalities were left atrial enlargement (93%), congestive heart failure (CHF, 44%), and arrhythmias (44%). Of cats without CHF, 89% were tachypneic. Common biochemical abnormalities were hyperglycemia, azotemia, and abnormally high serum concentrations of muscle enzymes. Of 87 cats treated for acute limb ATE, 39 (45%) survived to be discharged. Significant differences were found between survivors and nonsurvivors for temperature (P < .00001), heart rate (P = .038), serum phosphorus concentration (P = .024), motor function (P = .008), and number of limbs affected (P = .001). No significant difference was found between survivors and nonsurvivors when compared by age, respiratory rate, other biochemical analytes, or concurrent CHE A logistic regression model based on rectal temperature predicted a 50% probability of survival at 98.9 degrees F (37.2 degrees C). Median survival time (MST) for discharged cats was 117 days. Eleven cats had ATE recurrences, and 5 cats developed limb problems. Cats with CHF (MST: 77 days) had significantly shorter survival than cats without CHF (MST: 223 days; P = .016). No significant difference was found in survival or recurrence rate between cats receiving high-dose aspirin (> or = 40 mg/cat q72h) and cats receiving low-dose aspirin (5 mg/cat q72h). Adverse effects were less frequent and milder for the lower dosage.
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PMID:Arterial thromboembolism in cats: acute crisis in 127 cases (1992-2001) and long-term management with low-dose aspirin in 24 cases. 1256 30

Two mature horses were examined for changes in laboratory and physical findings after experimentally induced bladder rupture. The postrupture laboratory diagnostic changes, which provide valuable information for a correct diagnosis are described. Hematology, serum and peritoneal fluid sodium, potassium, calcium, phosphorous, creatinine, urea nitrogen, albumin and peritoneal fluid components were measured and evaluated versus time. Hyponatremia and hyperkalemia occurred, as well as increased concentrations of peritoneal fluid potassium and inorganic phosphorus. In addition, peritoneal fluid creatinine:serum creatinine and peritoneal fluid urea nitrogen:serum urea nitrogen ratios were followed with time. Hematology and cytology of the peritoneal fluid showed an inflammatory response to urine contamination of the abdominal cavity. Physical findings of tachypnea and tachycardia as well as a mild colic were absent until nearly 50 hours postrupture. Based on these findings, it was concluded that the peritoneal fluid creatinine:serum creatinine ratio was the most useful antemortem laboratory diagnostic aid.
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PMID:Physical and clinical pathological findings associated with experimentally induced rupture of the equine urinary bladder. 1742 1