Intercapillary Distance and Capillary Reserve in
... WEARN et al.1-2 were the first to report that myocardial capillary circulation is compromised by the hypertrophy of disease. They concluded that neither the fibers nor the capillaries proliferate, and that the distance between capillaries increases because fiber diameter increases. This view has bee ...
... WEARN et al.1-2 were the first to report that myocardial capillary circulation is compromised by the hypertrophy of disease. They concluded that neither the fibers nor the capillaries proliferate, and that the distance between capillaries increases because fiber diameter increases. This view has bee ...
Intercapillary Distance and Capillary Reserve in Hypertrophied Rat
... WEARN et al.1-2 were the first to report that myocardial capillary circulation is compromised by the hypertrophy of disease. They concluded that neither the fibers nor the capillaries proliferate, and that the distance between capillaries increases because fiber diameter increases. This view has bee ...
... WEARN et al.1-2 were the first to report that myocardial capillary circulation is compromised by the hypertrophy of disease. They concluded that neither the fibers nor the capillaries proliferate, and that the distance between capillaries increases because fiber diameter increases. This view has bee ...
Full Topic PDF
... orally, with a bioavailability of about 70 to 80%.20 Apparent resistance to standard oral dosing of digoxin may be due to the enteric bacterium Eubacterium lentum, which is found in roughly 10% of the population and can convert digoxin into an inactive metabolite. This effect may be reversed by the ...
... orally, with a bioavailability of about 70 to 80%.20 Apparent resistance to standard oral dosing of digoxin may be due to the enteric bacterium Eubacterium lentum, which is found in roughly 10% of the population and can convert digoxin into an inactive metabolite. This effect may be reversed by the ...
Frequently Asked Questions About AEDs
... a sudden cardiac arrest? Lay rescuers are most often asked to call 911 and get the AED. The lay rescuer can assemble the pocket facemask and begin providing mouth-to-mask ventilations. Responders might provide CPR or continue defibrillation if a workplace defibrillator is used. Support and direction ...
... a sudden cardiac arrest? Lay rescuers are most often asked to call 911 and get the AED. The lay rescuer can assemble the pocket facemask and begin providing mouth-to-mask ventilations. Responders might provide CPR or continue defibrillation if a workplace defibrillator is used. Support and direction ...
ACC/AHA/HRS 2008 Guidelines for Device
... Experts in the subject under consideration have been selected from both organizations to examine subject-specific data and write guidelines. The process includes additional representatives from other medical practitioner and specialty groups when appropriate. Writing committees are specifically char ...
... Experts in the subject under consideration have been selected from both organizations to examine subject-specific data and write guidelines. The process includes additional representatives from other medical practitioner and specialty groups when appropriate. Writing committees are specifically char ...
DOC
... 3. Signs/symptoms of heart failure at the time of the event a. Did the patient have s/s of heart failure at the time of admission to the hospital? Record YES if heart failure signs/symptoms were present at the time of this hospitalization (i.e. admission date). Record YES if heart failure signs/sym ...
... 3. Signs/symptoms of heart failure at the time of the event a. Did the patient have s/s of heart failure at the time of admission to the hospital? Record YES if heart failure signs/symptoms were present at the time of this hospitalization (i.e. admission date). Record YES if heart failure signs/sym ...
National Medical Policy
... cardiac structure and function. One of the significant advances in this field has been the development and refinement of three-dimensional (3D) imaging. Real-time three-dimensional (3D) echocardiography allows for rapid acquisition of images and datasets during a single breath-hold without the need ...
... cardiac structure and function. One of the significant advances in this field has been the development and refinement of three-dimensional (3D) imaging. Real-time three-dimensional (3D) echocardiography allows for rapid acquisition of images and datasets during a single breath-hold without the need ...
Regulation of atrial natriuretic peptide
... been found to increase in humans with water immersion (Epstein et al., 1989), in clinical conditions such as heart failure (Tikkanen et al., 1985) and renal failure (Rascher et al., 1985). Rate of contraction has been suggested to stimulate ANP secretion (Schiebinger and Linden, 1986). ANP secretion ...
... been found to increase in humans with water immersion (Epstein et al., 1989), in clinical conditions such as heart failure (Tikkanen et al., 1985) and renal failure (Rascher et al., 1985). Rate of contraction has been suggested to stimulate ANP secretion (Schiebinger and Linden, 1986). ANP secretion ...
ACC / AHA / HRS 2008 guidelines for device-based
... and the American Heart Association (AHA) have jointly engaged in the production of such guidelines in the area of cardiovascular disease since 1980. The American College of Cardiology (ACC)/AHA Task Force on Practice Guidelines, whose charge is to develop, update, or revise practice guidelines for i ...
... and the American Heart Association (AHA) have jointly engaged in the production of such guidelines in the area of cardiovascular disease since 1980. The American College of Cardiology (ACC)/AHA Task Force on Practice Guidelines, whose charge is to develop, update, or revise practice guidelines for i ...
Slide 1
... Cardiac Tamponade- Echocardiographic Findings Signs of elevated intrapericardial pressure ...
... Cardiac Tamponade- Echocardiographic Findings Signs of elevated intrapericardial pressure ...
Catheter Ablation for Cardiac Arrhythmias
... pulmonary embolism. Significant vascular injury has been estimated to occur in approximately 2% of ablation procedures. Cardiac tamponade. Perforation of the myocardium can lead to bleeding into the pericardial space and cardiac tamponade. This complication is estimated to occur in approximately 1% ...
... pulmonary embolism. Significant vascular injury has been estimated to occur in approximately 2% of ablation procedures. Cardiac tamponade. Perforation of the myocardium can lead to bleeding into the pericardial space and cardiac tamponade. This complication is estimated to occur in approximately 1% ...
65 ECHOCARDIOGRAPHIC CHARACTERISTIC OF LEFT
... changes depend on the type of exercise undertaken (1, 5, 10, 12, 22). More isotonic (anisometric) forms of exercise found in endurance sports can cause an increase in ventricular chamber dimensions, but with only mild but proportional increases in wall thickness. In contrast, anisometric exercise, f ...
... changes depend on the type of exercise undertaken (1, 5, 10, 12, 22). More isotonic (anisometric) forms of exercise found in endurance sports can cause an increase in ventricular chamber dimensions, but with only mild but proportional increases in wall thickness. In contrast, anisometric exercise, f ...
Appropriate Use Criteria for ICD/CRT Online Appendix Guideline
... current or prior symptoms of HF and reduced LVEF who have a history of cardiac arrest, ventricular fibrillation, or Hemodynamically destabilizing ventricular tachycardia (10-12). (Level of Evidence: A) 2006 VENTRICULAR ARRHYTHMIA GUIDELINES: 8.1. Left Ventricular Dysfunction Due to Prior Myocardial ...
... current or prior symptoms of HF and reduced LVEF who have a history of cardiac arrest, ventricular fibrillation, or Hemodynamically destabilizing ventricular tachycardia (10-12). (Level of Evidence: A) 2006 VENTRICULAR ARRHYTHMIA GUIDELINES: 8.1. Left Ventricular Dysfunction Due to Prior Myocardial ...
The Heart - Napa Valley College
... The Conducting System Structures of the Conducting System Sinoatrial (SA) node - wall of right atrium Atrioventricular (AV) node - junction between atria and ventricles Conducting cells - throughout myocardium ...
... The Conducting System Structures of the Conducting System Sinoatrial (SA) node - wall of right atrium Atrioventricular (AV) node - junction between atria and ventricles Conducting cells - throughout myocardium ...
Aberrant Intracellular Calcium Cycling in the Heart
... Heart disease is the biggest killer world-wide, causing a quarter of all deaths. During the past two decades, it has also risen above infectious diseases as the leading cause of years of life lost. Heart failure, characterized by weak pump function of the heart, and disturbances in heart rhythm (arr ...
... Heart disease is the biggest killer world-wide, causing a quarter of all deaths. During the past two decades, it has also risen above infectious diseases as the leading cause of years of life lost. Heart failure, characterized by weak pump function of the heart, and disturbances in heart rhythm (arr ...
Recommendations for Cardiac Chamber Quantification by
... evolving, with two major developments being real-time threedimensional (3D) echocardiography (3DE) and myocardial deformation imaging. The goal of this document is to provide an update to the previously published guidelines, as well as recommendations and reference values, while eliminating the mino ...
... evolving, with two major developments being real-time threedimensional (3D) echocardiography (3DE) and myocardial deformation imaging. The goal of this document is to provide an update to the previously published guidelines, as well as recommendations and reference values, while eliminating the mino ...
Accepted Manuscript
... evidence-based methodologies developed by the Task Force (1). The Classification of Recommendation (COR) is an estimate of the size of the treatment effect, with consideration given to risks versus benefits, as well as evidence and/or agreement that a given treatment or procedure is or is not useful ...
... evidence-based methodologies developed by the Task Force (1). The Classification of Recommendation (COR) is an estimate of the size of the treatment effect, with consideration given to risks versus benefits, as well as evidence and/or agreement that a given treatment or procedure is or is not useful ...
Hypertrophic Cardiomyopathy: A Systematic Review
... and characterized by a broad and expanding clinical spectrum. Objectives To clarify and summarize the relevant clinical issues and to profile rapidly evolving concepts regarding HCM. Data Sources Systematic analysis of the relevant HCM literature, accessed through MEDLINE (1966-2000), bibliographies ...
... and characterized by a broad and expanding clinical spectrum. Objectives To clarify and summarize the relevant clinical issues and to profile rapidly evolving concepts regarding HCM. Data Sources Systematic analysis of the relevant HCM literature, accessed through MEDLINE (1966-2000), bibliographies ...
the value of the intracardiac echogenic foci in the fetal heart
... anomalies, sonographic markers are insignificant and non-specific most frequently seen in normal fetuses, and are often transient. The most common sonographic markers of fetal aneuploidy in the second trimester are nuchal thickening, short or absent nasal bone, shortened extremities, chorioid plexus ...
... anomalies, sonographic markers are insignificant and non-specific most frequently seen in normal fetuses, and are often transient. The most common sonographic markers of fetal aneuploidy in the second trimester are nuchal thickening, short or absent nasal bone, shortened extremities, chorioid plexus ...
Role of Mitochondrial Oxidative Stress in Glucose Tolerance, Insulin
... Laboratory (Bar Harbor, MA). The HFD group was fed 60 kcal % fat diet (Research Diets Inc, New Brunswick, NJ) for 8 weeks. The age- and gender-matched control group was fed normal chow (Harlan, Indianapolis, IN) for 8 weeks. MitoTEMPO (2-(2,2,6,6-tetramethyl-piperidin-1-oxyl-4-ylamino)-2oxoethyl-tri ...
... Laboratory (Bar Harbor, MA). The HFD group was fed 60 kcal % fat diet (Research Diets Inc, New Brunswick, NJ) for 8 weeks. The age- and gender-matched control group was fed normal chow (Harlan, Indianapolis, IN) for 8 weeks. MitoTEMPO (2-(2,2,6,6-tetramethyl-piperidin-1-oxyl-4-ylamino)-2oxoethyl-tri ...
Impact of ejection on magnitude and time course of ventricular
... (LVP) throughout the cardiac cycle, with particular emphasis on revealing specific limitations in the time-varying elastance modelof ventricular dynamics. Studieswere performedin eight isolated canine hearts ejecting into a simulated windkesselafterload. LVP waves measured(LVP,) during ejection were ...
... (LVP) throughout the cardiac cycle, with particular emphasis on revealing specific limitations in the time-varying elastance modelof ventricular dynamics. Studieswere performedin eight isolated canine hearts ejecting into a simulated windkesselafterload. LVP waves measured(LVP,) during ejection were ...
The Importance of Potassium
... wisdom. The medical profession has always considered potassium levels above 5.1 mmol/L a far greater risk of ventricular arrhythmia than levels below 3.5 mmol/L. Yet, the Scottish report points out that the risk of ventricular fibrillation is 8 times higher in heart attack patients with potassium le ...
... wisdom. The medical profession has always considered potassium levels above 5.1 mmol/L a far greater risk of ventricular arrhythmia than levels below 3.5 mmol/L. Yet, the Scottish report points out that the risk of ventricular fibrillation is 8 times higher in heart attack patients with potassium le ...
Myocardial infarction
Myocardial infarction (MI) or acute myocardial infarction (AMI), commonly known as a heart attack, occurs when blood flow stops to a part of the heart causing damage to the heart muscle. The most common symptom is chest pain or discomfort which may travel into the shoulder, arm, back, neck, or jaw. Often it is in the center or left side of the chest and lasts for more than a few minutes. The discomfort may occasionally feel like heartburn. Other symptoms may include shortness of breath, nausea, feeling faint, a cold sweat, or feeling tired. About 30% of people have atypical symptoms, with women more likely than men to present atypically. Among those over 75 years old, about 5% have had an MI with little or no history of symptoms. An MI may cause heart failure, an irregular heartbeat, or cardiac arrest.Most MIs occur due to coronary artery disease. Risk factors include high blood pressure, smoking, diabetes, lack of exercise, obesity, high blood cholesterol, poor diet, and excessive alcohol intake, among others. The mechanism of an MI often involves the rupture of an atherosclerotic plaque, leading to complete blockage of a coronary artery. MIs are less commonly caused by coronary artery spasms, which may be due to cocaine, significant emotional stress, and extreme cold, among others. A number of tests are useful to help with diagnosis, including electrocardiograms (ECGs), blood tests, and coronary angiography. An ECG may confirm an ST elevation MI if ST elevation is present. Commonly used blood tests include troponin and less often creatine kinase MB.Aspirin is an appropriate immediate treatment for a suspected MI. Nitroglycerin or opioids may be used to help with chest pain; however, they do not improve overall outcomes. Supplemental oxygen should be used in those with low oxygen levels or shortness of breath. In ST elevation MIs treatments which attempt to restore blood flow to the heart are typically recommended and include angioplasty, where the arteries are pushed open, or thrombolysis, where the blockage is removed using medications. People who have a non-ST elevation myocardial infarction (NSTEMI) are often managed with the blood thinner heparin, with the additional use angioplasty in those at high risk. In people with blockages of multiple coronary arteries and diabetes, bypass surgery (CABG) may be recommended rather than angioplasty. After an MI, lifestyle modifications, along with long term treatment with aspirin, beta blockers, and statins, are typically recommended.Worldwide, more than 3 million people have ST elevation MIs and 4 million have NSTEMIs each year. STEMIs occur about twice as often in men as women. About one million people have an MI each year in the United States. In the developed world the risk of death in those who have had an STEMI is about 10%. Rates of MI for a given age have decreased globally between 1990 and 2010.