Sökning: "ventricular arrhythmia"

Visar resultat 16 - 20 av 33 avhandlingar innehållade orden ventricular arrhythmia.

  1. 16. Atrial fibrillation : clinical managements with special emphasis on cardioversion

    Författare :Viveka Frykman; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Atrial fibrillation; antiarrhythmic treatment; anticoagulation; cardioversion; defibrillation threshold; efficacy; energy requirement; guidelines; internal defibrillation; left ventricular dysfunction; management; safety; symptoms.;

    Sammanfattning : Atrial fibrillation (AF) is the most common arrhythmia of clinical importance. It often decreases quality of life and is related to significant morbidity, as well as decreases longevity. LÄS MER

  3. 17. Cardiac arrhythmias and heart rate variability in familial amyloidotic polyneuropathy : A clinical study before and after liver transplantation

    Författare :Rolf Hörnsten; Urban Wiklund; Staffan Andersson; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Clinical physiology; Klinisk fysiologi;

    Sammanfattning : Familial amyloidotic polyneuropathy (FAP), found in the northernmost counties in Sweden, is a rare, lethal and inherited amyloidosis. The disease is caused by mutated transthyretin (TTR). The mutation is characterized by an exchange of valine for methionine at position 30 (ATTRVal30Met). LÄS MER

  4. 18. Electrocardiographic Imaging of Myocardial Ischemia, Infarction and Scar: Correlation with SPECT, MRI and Arrhythmias

    Författare :David G Strauss; Lund Klinisk fysiologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Electrocardiography; Imaging; Arrhythmias; Ischemia; Infarction; Cardiomyopathy; SPECT; MRI;

    Sammanfattning : This thesis focuses on the development and testing of electrocardiographic (ECG) methods to diagnose and characterize myocardial ischemia, infarction and fibrosis (scar). The goal is to provide improved decision support to physicians regarding the optimal selection of patients for two costly, invasive therapies – percutaneous coronary intervention (PCI) for patients with acute myocardial infarction (MI) and implantable cardioverter defibrillators (ICDs) for patients with heart failure and reduced left ventricular ejection fraction (LVEF). LÄS MER

  5. 19. Cellular electrophysiological modulation in chronic atrial fibrillation - Studies with magnesium and GIK solution

    Författare :Max Ingemansson; Lunds universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Action potential duration; Atrial cycle length; Atrial remodelling; Autonomic nervous system; AV-nodal; Conduction velocity; GIK; Magnesium; Resting membrane potential.; Refractoriness; Atrial fibrillation; Cardiovascular system; Kardiovaskulära systemet;

    Sammanfattning : Although chronic atrial fibrillation (CAF) is the most common sustained cardiac arrhythmia in man, the mechanisms involved in its progressive course are still not fully understood. Recent studies have verified an electrical remodelling of the atrial myocardium that may be responsible for the electrophysiological disturbances known to exist in the fibrillating atria. LÄS MER

  7. 20. Computer-based modeling and simulation in the analysis of cardiac arrhythmias and cardiac pacing

    Författare :Hans Åhlfeldt; Linköpings universitet; []
    Nyckelord :arrhythmogenic mechanisms; modulated parasystole; phase response curve; pacemaker follow-up; modeling; simulation; MEDICINE; MEDICIN;

    Sammanfattning : Most systems for ECG analysis deal with QRS classification and arrhythmia detection but do not address the problem of finding the underlying mechanism responsible for the manifest arrhythmia. Although it is possible to distinguish among different arrhythmogenic mechanisms on the cellular level, it is far more difficult in the clinic based on ECG recordings. LÄS MER