Effect of Ischemia on Calcium-Dependent Fluorescence
... which allowed cancellation of optical motion artifact. Resulting calcium transients demonstrated a rapid upstroke and slow decay similar to those recorded in isolated ventricular myocytes. Global ischemia rapidly suppressed contraction, but it produced a concurrent increase in the systolic and diast ...
... which allowed cancellation of optical motion artifact. Resulting calcium transients demonstrated a rapid upstroke and slow decay similar to those recorded in isolated ventricular myocytes. Global ischemia rapidly suppressed contraction, but it produced a concurrent increase in the systolic and diast ...
Cardiovascular Responses to Exercise in Middle-aged
... from a lack of exposure to orthostatic stress. In evaluating the reduced effort tolerance of patients recovering from myocardial infarction, it is difficult to distinguish the role of cardiac damage from that of bedrest deconditioning. One method for making this distinction is to examine the effects ...
... from a lack of exposure to orthostatic stress. In evaluating the reduced effort tolerance of patients recovering from myocardial infarction, it is difficult to distinguish the role of cardiac damage from that of bedrest deconditioning. One method for making this distinction is to examine the effects ...
The Treatment of Atrial Fibrillation - Michigan Medicine
... energy. In most patients, the ablation procedure can be performed safely without interrupting treatment with warfarin (Coumadin). However, in some patients it is safer to stop taking warfarin (Coumadin) a few days before the ablation procedure. In these patients, an injectable form of heparin (Lovon ...
... energy. In most patients, the ablation procedure can be performed safely without interrupting treatment with warfarin (Coumadin). However, in some patients it is safer to stop taking warfarin (Coumadin) a few days before the ablation procedure. In these patients, an injectable form of heparin (Lovon ...
Pacing mode selection in patients with sick sinus syndrome
... bias during data collection and assessment of a trial. Bias can be defined as “difference between the true value and that actually obtained due to all other causes than sampling variability” (44). Trials investigating antiarrhythmic devices can however not be performed in a double-blind manner (46), ...
... bias during data collection and assessment of a trial. Bias can be defined as “difference between the true value and that actually obtained due to all other causes than sampling variability” (44). Trials investigating antiarrhythmic devices can however not be performed in a double-blind manner (46), ...
ACC/AHA/ASE 2003 Guideline Update for the Clinical Application of
... summary article is published in the September 2, 2003 issue of Circulation, the September 3, 2003 issue of the Journal of the American College of Cardiology, and the October 2003 issue of the Journal of the American Society of Echocardiography. The full-text guideline is posted on the ACC (www.acc.o ...
... summary article is published in the September 2, 2003 issue of Circulation, the September 3, 2003 issue of the Journal of the American College of Cardiology, and the October 2003 issue of the Journal of the American Society of Echocardiography. The full-text guideline is posted on the ACC (www.acc.o ...
images/Long term effects of RV pacing.pps
... The findings of the PAVE study suggest that, in order to avoid the adverse effects of cardiac dyssynchrony generated by RV pacing, a biventricular pacing should be considered for patients who require AV node ablation for management of atrial fibrillation and who have a left ventricular ejection frac ...
... The findings of the PAVE study suggest that, in order to avoid the adverse effects of cardiac dyssynchrony generated by RV pacing, a biventricular pacing should be considered for patients who require AV node ablation for management of atrial fibrillation and who have a left ventricular ejection frac ...
Strain and Strain Rate Imaging by Echocardiography
... increasing sample distance but only in exchange for lower spatial resolution. Taking into account all the aspects mentioned above it is not surprising that TDI-derived strain and SR measurements are not highly reproducible (more than 10-15% interobserver variability). This is one of the explanations ...
... increasing sample distance but only in exchange for lower spatial resolution. Taking into account all the aspects mentioned above it is not surprising that TDI-derived strain and SR measurements are not highly reproducible (more than 10-15% interobserver variability). This is one of the explanations ...
EACVI position paper:multimodality imaging in pericardial disease
... Transthoracic Doppler echocardiography is considered as the firstline imaging modality in almost all types of pericardial diseases because it is simple and quick to perform, widely available and safe.2 However, two-dimensional (2D) echocardiography has several weaknesses, mainly related to its depen ...
... Transthoracic Doppler echocardiography is considered as the firstline imaging modality in almost all types of pericardial diseases because it is simple and quick to perform, widely available and safe.2 However, two-dimensional (2D) echocardiography has several weaknesses, mainly related to its depen ...
Anastomoses Between Bronchial and Coronary Circulation in a
... been extensively investigated from a coronary point of view,7,16 Gade et al investigated the reverse situation of coronary-to-bronchial blood flow.17 In order to study this further, we used contrast medium injection not only in DSA, but also in CT-scan, as well as latex to demonstrate the bronchial ...
... been extensively investigated from a coronary point of view,7,16 Gade et al investigated the reverse situation of coronary-to-bronchial blood flow.17 In order to study this further, we used contrast medium injection not only in DSA, but also in CT-scan, as well as latex to demonstrate the bronchial ...
The Fontan circulation after 45 years: update in
... bottleneck. A successful Fontan circuit with a neoportal system with low impedance is characterised by only a mild decrease in cardiac output associated with a mild increase in systemic venous pressures; there is no need for a fenestration, thus no arterial desaturation. In a failing Fontan circuit, ...
... bottleneck. A successful Fontan circuit with a neoportal system with low impedance is characterised by only a mild decrease in cardiac output associated with a mild increase in systemic venous pressures; there is no need for a fenestration, thus no arterial desaturation. In a failing Fontan circuit, ...
Nitroglycerin in 5% Dextrose Injection, USP
... exercise testing to assess the anti-anginal efficacy of continuously-delivered nitrates. In the large majority of these trials, active agents were indistinguishable from placebo after 24 hours (or less) of continuous therapy. Attempts to overcome nitrate tolerance by dose escalation, even to doses f ...
... exercise testing to assess the anti-anginal efficacy of continuously-delivered nitrates. In the large majority of these trials, active agents were indistinguishable from placebo after 24 hours (or less) of continuous therapy. Attempts to overcome nitrate tolerance by dose escalation, even to doses f ...
ANATOMIC VARIATIONS AND ANOMALIES OF THE CORONARY
... CT. Although coronary artery anomalies are far less common than acquired coronary artery disease, their impact on premature cardiac morbidity and mortality among young adults is not trivial. In a study by Eckart et al [2] of 126 nontraumatic sudden deaths in young adults, cardiac abnormality was fou ...
... CT. Although coronary artery anomalies are far less common than acquired coronary artery disease, their impact on premature cardiac morbidity and mortality among young adults is not trivial. In a study by Eckart et al [2] of 126 nontraumatic sudden deaths in young adults, cardiac abnormality was fou ...
Pulmonary hypertension caused by pulmonary venous hypertension
... adventitial thickening.48 Donald Heath,49 in an early analysis of lung tissue from mostly older adults with mitral stenosis, found no more intimal thickening than in control subjects, but many subsequent reports have described substantial intimal thickening and even fibrosis, including in young pati ...
... adventitial thickening.48 Donald Heath,49 in an early analysis of lung tissue from mostly older adults with mitral stenosis, found no more intimal thickening than in control subjects, but many subsequent reports have described substantial intimal thickening and even fibrosis, including in young pati ...
A Study of Coronary Artery Predominance and Its Clinical Importance
... The prevalence of coronary heart diseases in India is increasing rapidly, it was 1% in 1960 and 9.7% in 19951. Now in India coronary heart disease has become one of the leading cause of death in middle class population. This study was conducted to help the physicians and surgeons to understand the p ...
... The prevalence of coronary heart diseases in India is increasing rapidly, it was 1% in 1960 and 9.7% in 19951. Now in India coronary heart disease has become one of the leading cause of death in middle class population. This study was conducted to help the physicians and surgeons to understand the p ...
Venous Thromboembolism Increases the Risk of Atrial Fibrillation
... right ventricular and atrial strain that in turn may trigger atrial fibrillation.6,7 Even in normotensive patients, right ventricle dysfunction occurs in 50% of PE cases on admission,8 and may persist several months after the initial thrombotic event.9,10 Despite circumstantial evidence of an associ ...
... right ventricular and atrial strain that in turn may trigger atrial fibrillation.6,7 Even in normotensive patients, right ventricle dysfunction occurs in 50% of PE cases on admission,8 and may persist several months after the initial thrombotic event.9,10 Despite circumstantial evidence of an associ ...
Frequency and Clinical Significance of Conus Artery
... Collateral circulation is a key factor in the pathophysiology of Coronary Artery Disease(CAD). Symptoms and prognosis amongpatients with advanced CAD depend largely on the degree of collateral circulation [18]. The conus branch of the RCA has a specialanatomic and functional significance in the deve ...
... Collateral circulation is a key factor in the pathophysiology of Coronary Artery Disease(CAD). Symptoms and prognosis amongpatients with advanced CAD depend largely on the degree of collateral circulation [18]. The conus branch of the RCA has a specialanatomic and functional significance in the deve ...
Preview the material
... The frequency of long QT syndrome is unknown (possibly about 1 per 5000 population). The condition is present in all races and ethnic groups, although frequency may differ among these populations. However, population-based prevalence studies are not available on this disease at the current time. Lon ...
... The frequency of long QT syndrome is unknown (possibly about 1 per 5000 population). The condition is present in all races and ethnic groups, although frequency may differ among these populations. However, population-based prevalence studies are not available on this disease at the current time. Lon ...
Preview the material
... various teaching hospitals throughout New York, including King’s County Hospital Center and Brookdale Medical Center, among others. Dr. Jouria has passed all USMLE medical board exams, and has served as a test prep tutor and instructor for Kaplan. He has developed several medical courses and curricu ...
... various teaching hospitals throughout New York, including King’s County Hospital Center and Brookdale Medical Center, among others. Dr. Jouria has passed all USMLE medical board exams, and has served as a test prep tutor and instructor for Kaplan. He has developed several medical courses and curricu ...
Flecainide BNM
... use of flecainide in these patients has been associated with life-threatening and occasionally fatal ventricular arrhythmias. Therefore, in these patients, especially in the presence of impaired left ventricular function with ejection fraction ≤ 40%, Flecainide BNM should be used with extreme cautio ...
... use of flecainide in these patients has been associated with life-threatening and occasionally fatal ventricular arrhythmias. Therefore, in these patients, especially in the presence of impaired left ventricular function with ejection fraction ≤ 40%, Flecainide BNM should be used with extreme cautio ...
Cardiac Pacing Site Optimization
... AV block3 and sick sinus syndrome4 and offers significant clinical improvement compared with single-chamber ventricular pacing.3,4 In short- and long-term studies,3,4 AV synchrony improves stroke volume, raises systolic blood pressure, reduces right atrial pressure and pulmonary capillary wedge pres ...
... AV block3 and sick sinus syndrome4 and offers significant clinical improvement compared with single-chamber ventricular pacing.3,4 In short- and long-term studies,3,4 AV synchrony improves stroke volume, raises systolic blood pressure, reduces right atrial pressure and pulmonary capillary wedge pres ...
thesis frame 23 okt
... The interatrial wall contains an oval opening, the foramen ovale that is covered by a thin membrane. In most subjects, this membrane is firmly attached to the rims of the foramen ovale. When the attachment is absent in a part of the circumference a PFO exists, which is regarded as a normal variant, ...
... The interatrial wall contains an oval opening, the foramen ovale that is covered by a thin membrane. In most subjects, this membrane is firmly attached to the rims of the foramen ovale. When the attachment is absent in a part of the circumference a PFO exists, which is regarded as a normal variant, ...
To Close or Not to Close: The Very Small Patent Ductus Arteriosus
... shorter recovery times and fewer operative complications. In the current era, thoracoscopic PDA closure is routinely employed, with similar acute outcomes to open closure.28,29 Schneider et al. cited 94–100% overall success rates and 0–2% mortality with surgical closure. They remarked that a surgica ...
... shorter recovery times and fewer operative complications. In the current era, thoracoscopic PDA closure is routinely employed, with similar acute outcomes to open closure.28,29 Schneider et al. cited 94–100% overall success rates and 0–2% mortality with surgical closure. They remarked that a surgica ...
ACCF/HRS/AHA/ASE/HFSA/SCAI/SCCT/SCMR 2013 Appropriate
... Jessup M, Kapa S, Kremers MS, Lindsay BD, Stevenson LW. ACCF/HRS/AHA/ ASE/HFSA/SCAI/SCCT/SCMR 2013 appropriate use criteria for implantable cardioverter-defibrillators and cardiac resynchronization therapy: a report of the American College of Cardiology Foundation Appropriate Use Criteria Task Force ...
... Jessup M, Kapa S, Kremers MS, Lindsay BD, Stevenson LW. ACCF/HRS/AHA/ ASE/HFSA/SCAI/SCCT/SCMR 2013 appropriate use criteria for implantable cardioverter-defibrillators and cardiac resynchronization therapy: a report of the American College of Cardiology Foundation Appropriate Use Criteria Task Force ...
The importance of exercise echocardiography for clinical decision
... Mitral regurgitation is the second most prevalent valvulopathy in Europe after aortic stenosis.1 Primary mitral regurgitation has an organic cause such as rheumatic disease, myxomatous degeneration or endocarditis. In secondary mitral regurgitation, the mitral valve is structurally normal but dysfun ...
... Mitral regurgitation is the second most prevalent valvulopathy in Europe after aortic stenosis.1 Primary mitral regurgitation has an organic cause such as rheumatic disease, myxomatous degeneration or endocarditis. In secondary mitral regurgitation, the mitral valve is structurally normal but dysfun ...