Essays about: "cardiac strain"

Showing result 1 - 5 of 8 essays containing the words cardiac strain.

1. 1. Automatic Left Ventricle Segmentation of Long-Axis Cardiac MRI-Images

   University essay from Lunds universitet/Matematik LTH

   Author : Ruben Bergengrip; [2021]
   Keywords : MRI; Magnetic resonance imaging; Deep Learning; Machine learning; U-net; CNN; Semantic segmentation; Segmentation; Global longitudinal strain; GLS; strain; AV-plane displacement; AVPD; long-axis; left ventricle; LV; cardiac MRI; CMR; Image analysis; Technology and Engineering;

   Abstract : Over 30 % of all deaths worldwide are related to cardiovascular diseases and they are the leading cause of death. Therefore, research into treatment, diagnosis and prognostication of these diseases are of critical importance. One way to examine the cardiovascular system is through the use of Magnetic Resonance Imaging (MRI). READ MORE

3. 2. Mechanisms of action of β-blockers for the treatment of heart failure

   University essay from Linköpings universitet/Biologi

   Author : Jonas Burman; [2020]
   Keywords : Apoptosis; angiotensin II; β-antagonist; beta-blocker; Heart failure; Mechanism;

   Abstract : Heart failure is a syndrome in which the heart is unable to supply the entire body with oxygen. It is manifested in shortness of breath and exercise intolerance. One class of drugs that have proven effective in managing the progression of heart failure is β-blockers. READ MORE

4. 3. Embryonic Gene Alterations in rats Caused by Exposure to Diabetes and/or Obesity

   University essay from Institutionen för vård och natur

   Author : Ehtesham Ehtesham; [2012]
   Keywords : ;

   Abstract : There is ample evidence that both diabetes as well as obesity leads to various metabolic disturbances that leads to oxidative stress. Oxidative stress has been shown  to  be  associated  with  congenital  malformations  of  which  neural  tube defects  and  cardiac  malformations  are  more  common. READ MORE

5. 4. Combined Visualization of Intracardiac Blood Flow and Wall Motion Assessed by MRI

   University essay from Centrum för medicinsk bildvetenskap och visualisering, CMIV; Institutionen för medicinsk teknik; Tekniska högskolan

   Author : José Antonio Baeza Ortega; [2011]
   Keywords : Combined visualization; medical imaging; MRI; blood flow; wall motion; Image processing;

   Abstract : MRI is a well known and widely spread technique to characterize cardiac pathologies due to its high spatial resolution, its accessibility and its adjustable contrast among soft tissues. In attempt to close the gap between blood flow, myocardial movement and the cardiac fucntion, researching in the MRI field addresses the quantification of some of the most relevant blood and myocardial parameters. READ MORE

6. 5. Towards and Understanding of the Dynamics and Energy Efficiency of the Human Heart by Mathematical Modelling

   University essay from Lunds universitet/Institutionen för reglerteknik

   Author : Patrik Hersenius; [2007]
   Keywords : Technology and Engineering;

   Abstract : This thesis is focused on modelling the pumping of the human heart. The modelling is limited to the left heart. Flows through the left heart were visualized by pathlines, streamlines and curl from 3D-velocity data acquired using 3D-velocity encoded magnetic resonance imaging (MRI). READ MORE