Fig.61-A1
Chagas Disease

The primary infection takes place by the sting of the vector, in Venezuela called Rhodnius prolixus, with the production of a chagoma in the skin, as described in previus case, or of the socalled Romaña sign, i. e.a blepharitis, we are presenting in this case. It is one-sided.

Fig.61-A2
Chagas Disease

The parasite producing the infection reaching the bloodstream is the protozoan Trypanosoma cruzi with his typical flagellum.

Fig.61-A3
Chagas Disease

The habitat of the vectors, the Triatomidae, harbouring the trypanosomes, in its found mostly in the roofs of the huts (ranchos) in our country.

Fig.61-A4
Chagas Disease

Here we show the Triatomidae called Rhodnius prolixus in different sizes with their eggs.

Fig.61-A5
Chagas Disease

In this infestation mostly the heart and the myocardium are affected with the production of a typical acute myocarditis accompanied by a marked hypertrophy and dilatation of the ventricles, as shown in this picture.