Research Article

Evaluation of Clinical and Immunopathological Features of Different Infective Doses of Trypanosoma cruzi in Dogs during the Acute Phase

Table 1

Electrocardiography follow-up during evaluation period.

Day0142842

Group of high dose (200,000 MT)

D1NormalNormalLow sensitivity QRS complexNormal
D2NormalRBBBVentricular tachycardia+
D3NormalNormalNormalNormal

Group of medium dose (20,000 MT)

D4NormalNormalNormalNormal
D5NormalNormalLow sensitivity QRS complex+
D6NormalNormalNormalNormal
D7NormalNormalNormalNormal

Group of low dose (2,000 MT)

D8NormalNormalNormalRBBB
D9NormalNormalNormalNormal
D10NormalNormalAVB IAVB I
D11NormalNormalAVB IAVB I

Development of EKG alterations in the dogs of different groups. Two dogs of low-dose-developed EKG alterations but these were mild and not life threatening in contrast to those developed by dogs of group high-dose and medium-dose groups which were fatal. AVB I: Atrioventricular block grade 1; RBBB: right bundle branch block BRD; + dog dead.