Search for dissertations about: "conduction system of heart"

Showing result 1 - 5 of 18 swedish dissertations containing the words conduction system of heart.

2. 1. Exploration of Supraventricular Conduction with respect to Atrial Fibrillation. Methodological Aspects on Selected Techniques

   Author : Jonas Carlson; Kardiologi; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Signal processing; Kardiovaskulära systemet; Cardiovascular system; Correlation Function Analysis; Transformation; Modeling; P wave Morphology; Signal; Conduction; Human; Atrial Fibrillation; Signalbehandling; Electrocardiography;

   Abstract : Atrial fibrillation is the most common cardiac arrhythmia that demands medical attention. Computer-based detailed analysis of cardiac electrical signals from healthy subjects and patients with a history of atrial fibrillation has become an important tool in the further clarification of this disease. READ MORE

4. 2. Chronic atrial fibrillation in man. Activation, organisation and characterisation

   Author : Magnus Holm; Kardiologi; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ECG spectral analysis; Preferential conduction; Organisation; Conduction velocity; Refractoriness; Mechanisms; Activation pattern; Chronic; Fibrillation; Human; Atrium; Open-heart surgery; Cardiovascular system; Kardiovaskulära systemet;

   Abstract : Chronic atrial fibrillation (CAF), with a prevalence progressively increasing with age, is one of the most common cardiac arrhythmias in man and associated with increased morbidity and mortality. Previous studies have shown that, in animals as well as in man, experimental atrial fibrillation is based on different types and dimensions of intra-atrial electrical re-entry. READ MORE

5. 3. Adjuncts to the Conventional 12-Lead ECG: Assessment of High-Frequency QRS Components and Additional Leads

   Author : Elin Trägårdh; Lund Klinisk fysiologi; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; heart disease; Physiology; Fysiologi; Cardiovascular system; Kardiovaskulära systemet; myocardial infarction; 16-lead ECG; electrocardiogram; 24-lead ECG; HF-QRS;

   Abstract : The standard 12-lead electrocardiogram (ECG) is one of the most commonly used methods for diagnosing heart disease. Standard ECG is not always optimal, however, and new ECG methods can provide additional information. Analysis of high-frequency QRS components (HF-QRS) has been shown to increase the diagnostic performance of the ECG. READ MORE

6. 4. Electrocardiographic characterization of myocardial scar in presence of conduction abnormality

   Author : Björn Wieslander; Karolinska Institutet; Karolinska Institutet; []
   Keywords : ;

   Abstract : Presence, extent and localization of myocardial scar constitute prognostic clinical information that can influence therapeutical decisions. Cardiovascular magnetic resonance imaging with late gadolinium enhancement (CMR-LGE) is the preferred method to image myocardial scar in vivo but is resource intensive and has contraindications. READ MORE

7. 5. The muscle cytoskeleton of mice and men : Structural remodelling in desmin myopathies

   Author : Lena Carlsson; Lars-Eric Thornell; Anders Arnér; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; desmin; nestin; synemin; paranemin; plectin; αB-crystallin; skeletal muscle; heart muscle; myotendinous junction; motor endplate; costamere; anatomi; Human Anatomy;

   Abstract : The muscle fibre cytoskeleton of skeletal and heart muscle cells is composed mainly of intermediate filaments (IFs), that surround the myofibrils and connect the peripheral myofibrils with the sarcolemma and the nuclear membrane. Desmin is the first muscle specific IF protein to be produced in developing muscles and is the main IF protein in mature muscles. READ MORE