Myocardial ischemia-reperfusion injury
... infarct-related coronary artery, there is still no effective therapy for preventing myocardial reperfusion injury. In this respect, myocardial reperfusion injury remains a neglected therapeutic target for cardioprotection in PPCI patients. In this article, the pathophysiology of myocardial lRI and t ...
... infarct-related coronary artery, there is still no effective therapy for preventing myocardial reperfusion injury. In this respect, myocardial reperfusion injury remains a neglected therapeutic target for cardioprotection in PPCI patients. In this article, the pathophysiology of myocardial lRI and t ...
Atrioventricular Conduction in Atrial Fibrillation: Pathophysiology
... output. Such conduction disturbances may further exacerbate mitral regurgitation and limit ventricular filling. Controlling the ventricular rate and regularity may reverse these adverse hemodynamic effects, however, the changes can persist for a prolonged time even after cardioversion (Upshaw, 1997) ...
... output. Such conduction disturbances may further exacerbate mitral regurgitation and limit ventricular filling. Controlling the ventricular rate and regularity may reverse these adverse hemodynamic effects, however, the changes can persist for a prolonged time even after cardioversion (Upshaw, 1997) ...
Familial atrial septal defect in a single - Heart
... Case 2 Chris (I2 years) was the full-term product of a normal pregnancy and uncomplicated delivery. At age 7 years he was admitted to hospital because of episodes of nocturnal dyspnoea. The physical examination revealed a widely split and fixed second heart sound, an ejection murmur at the left ster ...
... Case 2 Chris (I2 years) was the full-term product of a normal pregnancy and uncomplicated delivery. At age 7 years he was admitted to hospital because of episodes of nocturnal dyspnoea. The physical examination revealed a widely split and fixed second heart sound, an ejection murmur at the left ster ...
Medtronic Structural Heart ICD
... Reimbursement information provided by Medtronic is for illustrative purposes only and does not constitute legal advice. Information provided is gathered from third party sources and is subject to change without notice due to frequently changing laws, rules and regulations. Medtronic makes no guarant ...
... Reimbursement information provided by Medtronic is for illustrative purposes only and does not constitute legal advice. Information provided is gathered from third party sources and is subject to change without notice due to frequently changing laws, rules and regulations. Medtronic makes no guarant ...
Evolution of the regulatory control of vertebrate striated muscle: the
... required force (23). As every myocyte contracts with each heart beat, additional control mechanisms have evolved within the vertebrate heart that allow for the graded activation of the contractile reaction. This enables significant modulation of the rate and strength of cardiac contraction, and as a ...
... required force (23). As every myocyte contracts with each heart beat, additional control mechanisms have evolved within the vertebrate heart that allow for the graded activation of the contractile reaction. This enables significant modulation of the rate and strength of cardiac contraction, and as a ...
Cardiovascular System
... than from the lungs. A hole in the interatrial septum, the foramen ovale, allows blood to flow between the atria during fetal circulation. Pressure changes within the thorax after birth allow for closure of this opening leaving a shallow depression in the interatrial septum known as the fossa ovalis ...
... than from the lungs. A hole in the interatrial septum, the foramen ovale, allows blood to flow between the atria during fetal circulation. Pressure changes within the thorax after birth allow for closure of this opening leaving a shallow depression in the interatrial septum known as the fossa ovalis ...
Extension of a finite element model of left ventricular mechanics with
... muscle fibres in the cardiac wall. To study the relation between mechanics at the cardiac and muscle fibre level, mathematical models have been developed. These models can be used for research about the basic functions of the heart. Also normal and pathological conditions can be simulated with these ...
... muscle fibres in the cardiac wall. To study the relation between mechanics at the cardiac and muscle fibre level, mathematical models have been developed. These models can be used for research about the basic functions of the heart. Also normal and pathological conditions can be simulated with these ...
Heart Guide - Center for Plain Language
... the arteries that supply the heart. The most common cause of this blockage is a condition called atherosclerosis, when the arterial walls thicken and stiffen due to the buildup of fatty deposits inside the arteries. Coronary heart disease – This describes coronary artery diseases and their compli ...
... the arteries that supply the heart. The most common cause of this blockage is a condition called atherosclerosis, when the arterial walls thicken and stiffen due to the buildup of fatty deposits inside the arteries. Coronary heart disease – This describes coronary artery diseases and their compli ...
Diastolic Time during Static and Dynamic Exercise in Myocardial
... in hemodynamic responses exercise in coronary artery evaluated; ...
... in hemodynamic responses exercise in coronary artery evaluated; ...
ACCF/SCAI/AATS/AHA/ASE/ASNC/HFSA/HRS/SCCM/SCCT/SCMR
... of a broad range of clinical experiences and available evidence-based information will help guide a more efficient and equitable allocation of healthcare resources in cardiovascular care and invasive catheterization. The ultimate objective of the AUC is to improve patient care and health outcomes in ...
... of a broad range of clinical experiences and available evidence-based information will help guide a more efficient and equitable allocation of healthcare resources in cardiovascular care and invasive catheterization. The ultimate objective of the AUC is to improve patient care and health outcomes in ...
CHAPTER 28 Three-Dimensional Echocardiographic Guidance of
... While in principle, TTE can be used to guide catheterbased interventions, its use is limited by both suboptimal imaging of relevant cardiac structures and by difficulties in acquiring TTE images in the sterile environment of an interventional suite. 2D TEE and ICE imaging, although extensively u ...
... While in principle, TTE can be used to guide catheterbased interventions, its use is limited by both suboptimal imaging of relevant cardiac structures and by difficulties in acquiring TTE images in the sterile environment of an interventional suite. 2D TEE and ICE imaging, although extensively u ...
Brugada Syndrome - Department of Medicine | Columbia University
... to 20% of SD in subjects without concomitant cardiopathy.15,16 Its prevalence has been estimated in 5 of 10 000 inhabitants, although this rate should be understood cautiously, first, because many patients present concealed forms of the disease, thus making it likely that the real prevalence is high ...
... to 20% of SD in subjects without concomitant cardiopathy.15,16 Its prevalence has been estimated in 5 of 10 000 inhabitants, although this rate should be understood cautiously, first, because many patients present concealed forms of the disease, thus making it likely that the real prevalence is high ...
European Guidelines on cardiovascular disease prevention in clinical practice (version 2012)
... 4.4.3 Healthy subjects . . . . . . . . . . . . . . . . . . . . . . . .1669 4.4.4 Patients with known cardiovascular disease . . . . . .1670 4.5 Management of psychosocial factors . . . . . . . . . . . . . .1671 4.5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .1671 4.5.2 Specif ...
... 4.4.3 Healthy subjects . . . . . . . . . . . . . . . . . . . . . . . .1669 4.4.4 Patients with known cardiovascular disease . . . . . .1670 4.5 Management of psychosocial factors . . . . . . . . . . . . . .1671 4.5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .1671 4.5.2 Specif ...
1 Introduction to Cardiac Arrhythmias. Electrophysiology of Heart
... cardiac chambers, first contract both atria, then the ventricles. The conducting system provides the heart its automatic rhythmic beat. For the heart to pump efficiently and the systemic and pulmonary circulations to operate in synchrony, the events in the cardiac cycle must be coordinated. The card ...
... cardiac chambers, first contract both atria, then the ventricles. The conducting system provides the heart its automatic rhythmic beat. For the heart to pump efficiently and the systemic and pulmonary circulations to operate in synchrony, the events in the cardiac cycle must be coordinated. The card ...
A new technique: Intravenous lidocaine
... with heart disease and arrhythmias coming to surgery for elective operations. They often have a history of PVCs or come to the operating room with PVCs present. The anesthetist is faced with the dilemma of how to manage these patients and what type of anesthesia to administer. Twenty years ago, Stei ...
... with heart disease and arrhythmias coming to surgery for elective operations. They often have a history of PVCs or come to the operating room with PVCs present. The anesthetist is faced with the dilemma of how to manage these patients and what type of anesthesia to administer. Twenty years ago, Stei ...
Persistent left superior vena cava with an absent right superior vena
... venogram was implemented with 2 venous lines placed into both forearms. This allows the exclusion of all venous connections that may not be detected with only 1 side contrast injection. A persistent LSVC may be also suspected during other tests: for example, by a chest X-ray which reveals a widened ...
... venogram was implemented with 2 venous lines placed into both forearms. This allows the exclusion of all venous connections that may not be detected with only 1 side contrast injection. A persistent LSVC may be also suspected during other tests: for example, by a chest X-ray which reveals a widened ...
Single Preconditioning Stimulus Becomes
... elucidated. One possibility includes the improvement of collateral blood flow to the jeopardized tissue thus saving viable edges of the zone of necrosis. Another mode of action suggests that ACE inhibitors are able to decrease preload and afterload conditions by virtue of reducing the systemic refle ...
... elucidated. One possibility includes the improvement of collateral blood flow to the jeopardized tissue thus saving viable edges of the zone of necrosis. Another mode of action suggests that ACE inhibitors are able to decrease preload and afterload conditions by virtue of reducing the systemic refle ...
Review of tools of cardiovascular disease risk stratification
... the Offspring cohort. The number of participants hence increased to 8,491. This prediction algorithm included ...
... the Offspring cohort. The number of participants hence increased to 8,491. This prediction algorithm included ...
Diagnosis of Oleander Poisoning in Livestock
... rhages and multifocal myocardial edema, degenera- The pulmonary edema and liver damage were most tion, and necrosis (Fig. lb). Pulmonary edema, mild likely secondary to the cardiac alterations, leading to hepatic congestion, and lympholysis were also report- congestion in those organs. ed. Although ...
... rhages and multifocal myocardial edema, degenera- The pulmonary edema and liver damage were most tion, and necrosis (Fig. lb). Pulmonary edema, mild likely secondary to the cardiac alterations, leading to hepatic congestion, and lympholysis were also report- congestion in those organs. ed. Although ...
Full Text - Jentashapir Journal of Health Research
... years (33 smokers and 33 non-smokers) with a body mass index (BMI) < 25 by echocardiography. Smokers underwent echo again after smoking a single cigarette and their RV and LV diastolic functions were studied. HR increased immediately after smoking. There was LV diastolic dysfunction in smokers befor ...
... years (33 smokers and 33 non-smokers) with a body mass index (BMI) < 25 by echocardiography. Smokers underwent echo again after smoking a single cigarette and their RV and LV diastolic functions were studied. HR increased immediately after smoking. There was LV diastolic dysfunction in smokers befor ...
NON-INVASIVE DETERMINATION OF THE
... Anaerobic threshold (AT) is a frequently used term that sometimes causes a little confusion. It is defined as the physiological point during exercise at which muscular lactate production exceeds the rate of lactate oxidation, and as a result, lactate shows up in the system and may be balanced or not ...
... Anaerobic threshold (AT) is a frequently used term that sometimes causes a little confusion. It is defined as the physiological point during exercise at which muscular lactate production exceeds the rate of lactate oxidation, and as a result, lactate shows up in the system and may be balanced or not ...
Death Due to Myocardial Bridging
... the myocardium was firstly recognized by Reyman in 1737 (5), but described by Crainicianu in 1920 (6). It is commonly seen at the proximal half of the anterior descending branch (4) or middle portion of the left anterior descending coronary artery (3). Ventricular arrhythmia, myocardial ischemia and ...
... the myocardium was firstly recognized by Reyman in 1737 (5), but described by Crainicianu in 1920 (6). It is commonly seen at the proximal half of the anterior descending branch (4) or middle portion of the left anterior descending coronary artery (3). Ventricular arrhythmia, myocardial ischemia and ...
Are Sinus Node Dysfunction and Pacemaker
... patients was five times as compared to non atrial fibrillation patients. Unlike other studies age at implantation, gender, or type of atrial fibrillation were not found to be significant predictors for sick sinus syndrome. ...
... patients was five times as compared to non atrial fibrillation patients. Unlike other studies age at implantation, gender, or type of atrial fibrillation were not found to be significant predictors for sick sinus syndrome. ...
Vagal nerve stimulation activates vagal afferent fibers - AJP
... neural fibers, transducing information from visceral organs, including the heart, to the central nervous system (14, 32, 49). VNS likely leads to activation of both afferent and efferent fibers and may cause reflex autonomic activation through the contralateral trunk and via the sympathetic chain an ...
... neural fibers, transducing information from visceral organs, including the heart, to the central nervous system (14, 32, 49). VNS likely leads to activation of both afferent and efferent fibers and may cause reflex autonomic activation through the contralateral trunk and via the sympathetic chain an ...