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Revista Cubana de Investigaciones Biomédicas

versão impressa ISSN 0864-0300versão On-line ISSN 1561-3011

Resumo

OYEBISI MISTURA, Azeez et al. Comparative assessment of electrocardiographic parameters of some birds in ilorin-an essential diagnostic tool. Rev Cubana Invest Bioméd [online]. 2019, vol.38, n.3, e228.  Epub 01-Set-2019. ISSN 0864-0300.

Introduction:

Cardiovascular disease is an important cause of death in birds. Spontaneous turkey cardiomyopathy (STC; round heart), ruptured aorta and sudden death account for over 50% in avians. The diagnosis is usually based on history and gross examination. This work was designed to assess the electrocardiographic parameters of various birds as alternative/additional means of clinical diagnosis.

Objective:

of this study was to identify every aspect of the Lead II ECG wave form. The electrocardiogram is a useful tool in avian medicine as it can be utilized to measure heart rate and to detect arrhythmias, cardiac chamber enlargement, and electrical conductance abnormalities.

Methods:

EDAN 10 Veterinary electrocardiographic equipment made in China; with a 200 mm/s paper speed and a sensitivity of 100 mm/mV was used to measure the electrocardiographic. The five alligator clip electrodes were fixed directly to the skin under the feather- on the forearms (muscular part of the wing), on the hind limbs above the stifle joint, and the heart as described earlier by Azeez et al, (2017). Birds were placed on lateral recumbency. The EDAN was connected to the laptop and information about each bird was recorded and saved. Birds considered include Broilers, Domestic duck, White geese, Chinese geese, Laying birds (chicken), point of lay birds and Turkey. They were all carefully restrained. 5 birds from each group were used.

Results:

The ECG exhibited positive P wave, inverted (Q)RS and positive T wave in all of them. S-S interval was regular in turkey and duck, irregular in chicken and Chinese geese. The PR interval in the Laying birds and Broilers were very longer with overlap by QRS. The (Q)RS was shorter (29-44ms)in the chicken with very short amplitude, longer (50-65ms)in turkey and duck with longer amplitude. No significant difference in the QRS within the groups. QT interval was longer in turkey, geese and duck (297-456ms) but shorter in chicken.

Conclusions:

Electrocardiography is a useful diagnostic tool in birds. However, while interpreting electrocardiographic, Clinicians should always consider history, clinical findings and laboratory results before final diagnosis. More emphasis should be place on use of electrocardiographic by Veterinarians and Clinicians in handling cases of cardiovascular issues in birds.

Palavras-chave : Electrocardiography; Heart; Birds; P- wave.

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