tricuspid valve surgery - Heart
... haemodynamic abnormalities in patients needing mitral valve replacement. In particular we studied the effect on portal venous flow in the presence or absence of associated tricuspid regurgitation. Patients with normal left ventricular function undergoing coronary artery bypass grafting served as con ...
... haemodynamic abnormalities in patients needing mitral valve replacement. In particular we studied the effect on portal venous flow in the presence or absence of associated tricuspid regurgitation. Patients with normal left ventricular function undergoing coronary artery bypass grafting served as con ...
Cardiac Pacemaker System
... – developments in the field of microprocessor technology will most likely lead to greater flexibility in the self-adjustment of rate, output, and the overall sensitivity of pacemakers. – The continued innovation of programmability and telemetry will increase the diagnostic capabilities of pacemakers ...
... – developments in the field of microprocessor technology will most likely lead to greater flexibility in the self-adjustment of rate, output, and the overall sensitivity of pacemakers. – The continued innovation of programmability and telemetry will increase the diagnostic capabilities of pacemakers ...
SECTION 2
... identify areas of myocardial ischemia, injury, or infarction. By doing this, the most appropriate treatment can be given. The ECG cannot stop a heart attack, nor can it reperfuse areas of ischemic myocardium; fibrinolytic medications (clot-busters) and invasive procedures (eg, cardiac catheterizatio ...
... identify areas of myocardial ischemia, injury, or infarction. By doing this, the most appropriate treatment can be given. The ECG cannot stop a heart attack, nor can it reperfuse areas of ischemic myocardium; fibrinolytic medications (clot-busters) and invasive procedures (eg, cardiac catheterizatio ...
Cardiovascular Dynamics During Exercise
... and the blood flowing through the lungs. Air entering the nose and mouth flows into the conductive portion of the ventilatory system. Here it adjusts to body temperature, and becomes filtered and almost completely humidified as it moves through the trachea. The trachea is a short one-inch diameter t ...
... and the blood flowing through the lungs. Air entering the nose and mouth flows into the conductive portion of the ventilatory system. Here it adjusts to body temperature, and becomes filtered and almost completely humidified as it moves through the trachea. The trachea is a short one-inch diameter t ...
Ejection Fraction Response to Exercise in Patients with
... SUMMARY In this study we describe the ejection fraction response to upright exercise using first-pass radionuclide angiocardiography in a group of 60 patients with chest pain, normal coronary arteriograms and normal resting ventricular function. A wide range of resting function (heart rate and eject ...
... SUMMARY In this study we describe the ejection fraction response to upright exercise using first-pass radionuclide angiocardiography in a group of 60 patients with chest pain, normal coronary arteriograms and normal resting ventricular function. A wide range of resting function (heart rate and eject ...
BASIC ECG INTERPRETATION
... Diagnosis of Sinus Rhythm 1) P-waves are present, upright and precede each QRS complex 2) The P-R interval is normal (0.12-2.0 seconds) 3) QRS complexes are of normal (less than o.12 seconds) size and morphology( no pathologic Q waves-see later module) 4) The Q-T interval is normal in duration ( aro ...
... Diagnosis of Sinus Rhythm 1) P-waves are present, upright and precede each QRS complex 2) The P-R interval is normal (0.12-2.0 seconds) 3) QRS complexes are of normal (less than o.12 seconds) size and morphology( no pathologic Q waves-see later module) 4) The Q-T interval is normal in duration ( aro ...
cardiac arrhythmias and left ventricular hypertrophy in systemic
... hypertension and arrhythmias. Diastolic dysfunction of the left ventricle, left atrial size and function, as well as LVH have been suggested as the underlying risk factors for supraventricular, ventricular arrhythmias and sudden death in hypertensives with LVH. Keywords: Hypertension, arrhythmias, l ...
... hypertension and arrhythmias. Diastolic dysfunction of the left ventricle, left atrial size and function, as well as LVH have been suggested as the underlying risk factors for supraventricular, ventricular arrhythmias and sudden death in hypertensives with LVH. Keywords: Hypertension, arrhythmias, l ...
Application and Effect of “Leapfrog” Technology on Diagnosis and
... Echocardiography is an accurate, non-invasive and indispensable tool for the diagnosis and management of patients with cardiovascular disease. Echocardiography is known to be more sensitive than auscultation for the detection of pathologic valve disease. According to Marijon et al. systematic screen ...
... Echocardiography is an accurate, non-invasive and indispensable tool for the diagnosis and management of patients with cardiovascular disease. Echocardiography is known to be more sensitive than auscultation for the detection of pathologic valve disease. According to Marijon et al. systematic screen ...
Non-Contrast MRA - SCBT-MR
... are used (but remains disruptive to work flow) • Newer non-contrast MRA techniques may permit screening for vascular disease with high negative predictive value, thereby eliminating need for contrast agents in many if not most cases • Only limited clinical validation has been published: lack of tech ...
... are used (but remains disruptive to work flow) • Newer non-contrast MRA techniques may permit screening for vascular disease with high negative predictive value, thereby eliminating need for contrast agents in many if not most cases • Only limited clinical validation has been published: lack of tech ...
Lenient versus Strict Rate Control in Patients with Atrial Fibrillation
... The trial was designed to determine whether a strategy of lenient rate control was as effective as (i.e., noninferior to) a strategy of strict rate control. The study size was determined on the basis of an expected rate of the primary outcome of 25% at 2.5 years in both treatment groups and a requir ...
... The trial was designed to determine whether a strategy of lenient rate control was as effective as (i.e., noninferior to) a strategy of strict rate control. The study size was determined on the basis of an expected rate of the primary outcome of 25% at 2.5 years in both treatment groups and a requir ...
How to have a healthy heart
... Be physically active The body is designed to move. Regular, moderateintensity physical activity is good for your heart and is a great way to have fun. Being active can also help to control other risk factors, such as having high blood pressure and being overweight. The Heart Foundation recommends th ...
... Be physically active The body is designed to move. Regular, moderateintensity physical activity is good for your heart and is a great way to have fun. Being active can also help to control other risk factors, such as having high blood pressure and being overweight. The Heart Foundation recommends th ...
Zaporozhye State Medical University
... by way of specialized tissue that has automaticity and conductivity. All myocardial tissue has these properties, but they are developed to a greater degree in the conduction system. The electrical impulse originates in the sinoatrial (SA) node - the normal physiological pacemaker - located near the ...
... by way of specialized tissue that has automaticity and conductivity. All myocardial tissue has these properties, but they are developed to a greater degree in the conduction system. The electrical impulse originates in the sinoatrial (SA) node - the normal physiological pacemaker - located near the ...
Assessment of left ventricle function in aortic stenosis: mitral annular
... Currently, in the era of the development of more advanced techniques, the measurement of the atrioventricular plane displacement may seem to be unnecessary. However, it may be of great value in many cases. MAPSE does not require good acoustic window, thus can by applied when visualization of the end ...
... Currently, in the era of the development of more advanced techniques, the measurement of the atrioventricular plane displacement may seem to be unnecessary. However, it may be of great value in many cases. MAPSE does not require good acoustic window, thus can by applied when visualization of the end ...
Bendopnea - JACC: Heart Failure
... study protocol was reviewed and approved by the institutional review board. All subjects gave written informed consent. Clinical assessment. A history and physical examination were completed for each subject by an investigator within 6 h prior to right-heart catheterization. Data collected included ...
... study protocol was reviewed and approved by the institutional review board. All subjects gave written informed consent. Clinical assessment. A history and physical examination were completed for each subject by an investigator within 6 h prior to right-heart catheterization. Data collected included ...
Blood Vessels - Collin College
... Large-diameter lumens, which offer little resistance to flow Valves (resembling semilunar heart valves), which prevent backflow of blood Venous sinuses – specialized, flattened veins with extremely thin walls (e.g., coronary sinus of the heart and dural sinuses of the brain) ...
... Large-diameter lumens, which offer little resistance to flow Valves (resembling semilunar heart valves), which prevent backflow of blood Venous sinuses – specialized, flattened veins with extremely thin walls (e.g., coronary sinus of the heart and dural sinuses of the brain) ...
at different heart rates - IFM
... NaCl was implanted into the dorsal aorta to measure blood pressure (PDA) as previously described (Hughes et al., 1983). The cannula was secured with a suture on . the back of the animal. In order to measure cardiac output Q (=ventral aortic blood flow), the ventral aorta was exposed through an incis ...
... NaCl was implanted into the dorsal aorta to measure blood pressure (PDA) as previously described (Hughes et al., 1983). The cannula was secured with a suture on . the back of the animal. In order to measure cardiac output Q (=ventral aortic blood flow), the ventral aorta was exposed through an incis ...
Lenient versus Strict Rate Control in Patients with Atrial Fibrillation
... The trial was designed to determine whether a strategy of lenient rate control was as effective as (i.e., noninferior to) a strategy of strict rate control. The study size was determined on the basis of an expected rate of the primary outcome of 25% at 2.5 years in both treatment groups and a requir ...
... The trial was designed to determine whether a strategy of lenient rate control was as effective as (i.e., noninferior to) a strategy of strict rate control. The study size was determined on the basis of an expected rate of the primary outcome of 25% at 2.5 years in both treatment groups and a requir ...
EKG lab
... 1931 - first patented pacemakerDr Albert Hyman patents the first 'artificial cardiac pacemaker' which stimulates the heart by using a transthoracic needle. His aim was to produce a device that was small enough to fit in a doctor's bag and stimulate the right atrial area of the heart with a suitably ...
... 1931 - first patented pacemakerDr Albert Hyman patents the first 'artificial cardiac pacemaker' which stimulates the heart by using a transthoracic needle. His aim was to produce a device that was small enough to fit in a doctor's bag and stimulate the right atrial area of the heart with a suitably ...
Document
... three cusps that approximate each other as they fill with arterial blood. They are lined with endothelium on both sides separated by sparse strands of connective tissue. These valves prevent regurgitation of pulmonary and aortic blood into the respective ventricles. The impulse-generating and impu ...
... three cusps that approximate each other as they fill with arterial blood. They are lined with endothelium on both sides separated by sparse strands of connective tissue. These valves prevent regurgitation of pulmonary and aortic blood into the respective ventricles. The impulse-generating and impu ...
ECG in STEMI - American Heart Association
... – Harold Pardee, New York, publishes the first ECG of an AMI in a human and describes the T wave as being tall and "starts from a point well up on the descent of the R wave". Pardee HEB. An ...
... – Harold Pardee, New York, publishes the first ECG of an AMI in a human and describes the T wave as being tall and "starts from a point well up on the descent of the R wave". Pardee HEB. An ...
CorePace #5 - Pacemaker Basics
... Implantable Pulse Generators (IPGs) are indicated for rate adaptive pacing in patients who ay benefit from increased pacing rates concurrent with increases in activity and increases in activity and/or minute ventilation. Pacemakers are also indicated for dual chamber and atrial tracking modes in pat ...
... Implantable Pulse Generators (IPGs) are indicated for rate adaptive pacing in patients who ay benefit from increased pacing rates concurrent with increases in activity and increases in activity and/or minute ventilation. Pacemakers are also indicated for dual chamber and atrial tracking modes in pat ...
The realities of dyslipidaemia: what do the studies tell us?
... widely differing overall cardiovascular risk. Statins reduce LDL-cholesterol in all of these populations, in some cases to a level well below guideline targets. The effects of statins on cardiovascular outcomes are remarkably similar between studies, with the incidence of cardiovascular events reduc ...
... widely differing overall cardiovascular risk. Statins reduce LDL-cholesterol in all of these populations, in some cases to a level well below guideline targets. The effects of statins on cardiovascular outcomes are remarkably similar between studies, with the incidence of cardiovascular events reduc ...
MAYO CLINIC HEALTH LETTER Palpitations Reliable Information for a Healthier Life
... Many arrhythmias are connected to underlying heart disease. When that’s the case, there are some steps you can take that can aid in ongoing treatment and management of your arrhythmia. These include: ■ Getting your doctor’s OK before exercising — Exercise is an important component in heart health, ...
... Many arrhythmias are connected to underlying heart disease. When that’s the case, there are some steps you can take that can aid in ongoing treatment and management of your arrhythmia. These include: ■ Getting your doctor’s OK before exercising — Exercise is an important component in heart health, ...
Ventricular fibrillation treated by cryotherapy to the right ventricular
... Background: Arrhythmias originating from the right ventricular outflow tract are generally considered benign but cases of cardiac arrest have been described, usually associated with polymorphic ventricular tachycardia or extrasystoles with short coupling intervals. Case presentation: We report the c ...
... Background: Arrhythmias originating from the right ventricular outflow tract are generally considered benign but cases of cardiac arrest have been described, usually associated with polymorphic ventricular tachycardia or extrasystoles with short coupling intervals. Case presentation: We report the c ...
Circulation Research A Journal of the American Heart Association
... outflow should result in hypertension if reactivity to noradrenaline was greatly increased, just as hypertension should result from relatively small amounts of renal or other pressor agents if sensitivity to them was increased. And it seems improbable that hypertension could develop in any patient, ...
... outflow should result in hypertension if reactivity to noradrenaline was greatly increased, just as hypertension should result from relatively small amounts of renal or other pressor agents if sensitivity to them was increased. And it seems improbable that hypertension could develop in any patient, ...