| Effects of chemical restraint drugs on Doppler echocardiography in normal dogs |
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Jung-hee Yoon |
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College of Veterinary Medicine, Seoul National University |
| 화학적 보정약이 정상견의 도플러 심초음파에 미치는 영향 |
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윤정희 |
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서울대학교 수의과대학 |
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| Abstract |
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Intracardiac velocities were determined and the wave-forms described for 4 flow areas of the normal canine heart following administration of chemical restraint drugs including xylazine HCl, ketamine HCl, and thiopental sodium using pulsed wave Doppler echocardiography. The result was that xylazine HCl and thiopental sodium reduced intracardiac flow velocities through mitral, tricuspid, aortic and pulmonary valves. It is also thought that precautions are required before using these drugs. Patterns of wave-forms had no changes between control and treatment groups. Doppler echocardiography allows the clinician to determine flow velocities across the different valves and within the various chambers of the heart. It is shown that establishing normal values and those related to chemical restraint administrations and knowing what influences them should allow the clinician to non-invasively diagnose a variety of pathological cardiac conditions. |
| Key Words:
dog, pulsed wave Doppler echocardiography, xylazine HCl, ketamine HCl, thiopental sodium, blood flow velocity |
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