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Detection of ventricular premature beats in long-term ECG
Šagát, Martin ; Kozumplík, Jiří (referee) ; Maršánová, Lucie (advisor)
The thesis deals with problems of premature ventricular complexes and ways of their detection. Heart’s basic physiological activities and the principle of their measurement are described in the theoretical part of the thesis. It deals specifically with the appearance and manifestations of ventricular extrasystoles in the ECG. The thesis also discusses various ways of detecting premature ventricular complexes. In this thesis, detection based on morphological features, wavelet transform and signal energy was used. All methods were implemented using Matlab and tested on all signals of the MIT-BIH Arrhythmia database.
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Detection of ventricular premature beats in long-term ECG
Šagát, Martin ; Kozumplík, Jiří (referee) ; Maršánová, Lucie (advisor)
The thesis deals with problems of premature ventricular complexes and ways of their detection. Heart’s basic physiological activities and the principle of their measurement are described in the theoretical part of the thesis. It deals specifically with the appearance and manifestations of ventricular extrasystoles in the ECG. The thesis also discusses various ways of detecting premature ventricular complexes. In this thesis, detection based on morphological features, wavelet transform and signal energy was used. All methods were implemented using Matlab and tested on all signals of the MIT-BIH Arrhythmia database.
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Tapeworm parasitic in the digestive tract rays Amblyraja radiata on Svalbard
PADALÍKOVÁ, Petra
This bachelor thesis is interested in tapeworms of the stingray Amblyraja radiata. These rays Ambyraja radiata living in Svalbard. It is known about 5000 species of parasitic tapeworms which are parasites on vertebrates. The highest number of tapeworms lives in cartilaginous fish, and fish. Adults are found in the digestive system of vertebrates. In obtained samples were found three genera of tapeworms: Grillotia, Pseudanthobothrium, Echeneneibothrium. My objective was to determine the species. My aim was to compare the results with the literature and characterize the community tapeworm rays Amblyraja radiata in Svalbard. Identification of tapeworms was based on morphological characters. Morphological features are (eg. strobili maximum width, length cirrus sac, testes number and shape of hooks.) These characters I visualized by means of staining, light microscopy and electron microscopy. I used a carmine staining into individual samples tapeworms. Thanks to this coloring I achieved better visibility of internal organs, particularly genitals. Thanks to scanning electron microscopy I was allowed to observe the specimen surface.
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