Saturday, May 23, 2020

The Nervous System, Cardiac Electrophysiology And The Brain

As we age, the brain can induce stressors on the heart. Recent evidence has emerged connecting mental stress and emotions in playing a major role in arrhythmias and sudden death. This research overviews current literature that has embraced physiology of the autonomic nervous system, cardiac electrophysiology and neuroscience in helping investigators determine the more precise nature of feedback mechanisms between the heart and the brain. Endeavoring to understand the feedback mechanisms of the brain, this study gives specific evidence in favor of growing consensus within the medical community that explores the role of cortical representation of emotions in relation to autonomic reflexes and the physiology of the myocardium, which includes pathological conditions that underlie the importance of studying the brain and heart from an interdisciplinary perspective. Keywords: Arrhythmia; autonomic nerves; myocardium; mental stress Abbreviations: PET= Positron emission tomography; ECG= Electrocardiogram; ICD= Implanted Cardiac Defibrillator; SVT= Supraventricular Tachycardia; RVR= Rapid Ventricular Response Head Vs. Heart: The Real Connection Between Ones Internal And External Environments The heart is an organ that requires careful examination and attention, especially in those with pre-existing cardiac conditions. This research review relates mental stress and arrhythmias specifically the connection between brain mechanisms that trigger the autonomic nerves and theShow MoreRelatedEssay about Hyperthyroidism: Thyroid Disease and the Heart1310 Words   |  6 PagesHyperthyroidism Chronic diseases such as hyperthyroidism can be debilitating if not managed well. Hyperthyroidism is an overactive thyroid gland that secrets too much hormones throughout the body causing many different clinical manifestations within all systems. The thyroid gland is located right underneath the larynx also known as the voice box, and straddling the windpipe. It consists of two types of tissues, follicular and parafollicular. The follicular tissues are the ones that secrete hormones containingRead MoreApplications of electrophysiology Introduction Electrophysiology is the study of electrical2800 Words   |  12 PagesApplications of electrophysiology Introduction Electrophysiology is the study of electrical properties of tissues and cells. It is said to be the â€Å"gold standard†, when investigating neuronal signalling (Massimo Scanziani et Michael Hà ¤usser, 2009). Measurements are taken of the voltage change or the electrical current on an extensive variety of scales from a single ion channel protein (e.g. potassium channels) to large organs (e.g. the heart). There are many areas in which electrophysiology can be appliedRead MoreCase Study : Mr Smith2222 Words   |  9 Pagesthe first hypertensive state where BP levels range between 140-159/90-99 mmHg. A normal BP is seen to be between the ranges of less than 120/80 mmHg. BP is determined by the force of blood exerted against the cardiac wall and the resistance of blood vessels. Thus, the force of his high cardiac output volume is likely the result of his hypertension. Mr. Smith monitors his BP and uses the medication Tritace irregularly. Hence, a diagnosis of hypertension raising concerns for other possible underlying

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.