High Arteriovenous (AV) Access Flow and Cardiac Complications
... arterial blood is shunted from the left-sided circulation to the right-sided circulation via the fistula. Patients may present with the usual signs of high-output heart failure including tachycardia, elevated pulse pressure, hyperkinetic precordium, and jugular venous distension. The nephrologist is ...
... arterial blood is shunted from the left-sided circulation to the right-sided circulation via the fistula. Patients may present with the usual signs of high-output heart failure including tachycardia, elevated pulse pressure, hyperkinetic precordium, and jugular venous distension. The nephrologist is ...
Echocardiographic Left Ventricular Hypertrophy as
... the pathogenesis of LVH as well as in its reversal following antihypertensive treatments. Studies in animals8"15 as well as in hypertensive patients15"18 suggest that other factors besides pressure overload could be involved in the mechanisms responsible for LVH development. In this concern, we soug ...
... the pathogenesis of LVH as well as in its reversal following antihypertensive treatments. Studies in animals8"15 as well as in hypertensive patients15"18 suggest that other factors besides pressure overload could be involved in the mechanisms responsible for LVH development. In this concern, we soug ...
Terry Animal Hospital
... bloodstream that migrate & mature for several months, ending up in the pulmonary arteries & right side of the heart. They mature into adult heartworms about 6 months from the time they enter the cat. Shortly thereafter, they begin to release immature heartworms known as microfilaria. Microfilariae l ...
... bloodstream that migrate & mature for several months, ending up in the pulmonary arteries & right side of the heart. They mature into adult heartworms about 6 months from the time they enter the cat. Shortly thereafter, they begin to release immature heartworms known as microfilaria. Microfilariae l ...
Guidelines for the Diagnosis, Treatment and Prevention of Pulmonary Thromboembolism and
... therapy is quite important, and new drugs have become available for this purpose. The Working Groups revised the present guidelines, placing emphasis on currently available evidence whenever possible, but it should be noted that the present guidelines include up-to-date information that may be utili ...
... therapy is quite important, and new drugs have become available for this purpose. The Working Groups revised the present guidelines, placing emphasis on currently available evidence whenever possible, but it should be noted that the present guidelines include up-to-date information that may be utili ...
Wide-QRS-Complex Tachycardia with a Negative Concordance
... the question of whether the QRS complex is wide or narrow (of normal duration). The most important (“until proven otherwise”) cause of WCT is VT.1,2 Usually, a narrow complex indicates SVT, a term which subtends any mechanism in which the initial site of cardiac activation is at or above the atriove ...
... the question of whether the QRS complex is wide or narrow (of normal duration). The most important (“until proven otherwise”) cause of WCT is VT.1,2 Usually, a narrow complex indicates SVT, a term which subtends any mechanism in which the initial site of cardiac activation is at or above the atriove ...
Change in Diastolic Left Ventricular Filling After One Year of
... Antihypertensive treatment resulting in ⬇10% reduction in LV mass results in a 3% reduction in left atrial diameter, 9% shortened IVRT, and 10% decrease in atrial filling fraction, and 9% and 7% increases in E/A ratio and mitral valve deceleration time, respectively. The apparent paradoxical prolong ...
... Antihypertensive treatment resulting in ⬇10% reduction in LV mass results in a 3% reduction in left atrial diameter, 9% shortened IVRT, and 10% decrease in atrial filling fraction, and 9% and 7% increases in E/A ratio and mitral valve deceleration time, respectively. The apparent paradoxical prolong ...
Full Text - J
... community-based sample.2) Moreover, adiposity was described as an independent risk factor for developing heart failure with a population attributable risk of 8.0% in a large prospective cohort study with a follow-up of 19 years.3) Adiposity results in different subclinical changes in cardiac functio ...
... community-based sample.2) Moreover, adiposity was described as an independent risk factor for developing heart failure with a population attributable risk of 8.0% in a large prospective cohort study with a follow-up of 19 years.3) Adiposity results in different subclinical changes in cardiac functio ...
Expert Consensus for Multi-Modality Imaging Evaluation of
... The two major contributors to radiation exposure in the population are ubiquitous background radiation and medical exposure.1 A high-dose radiation exposure on the thorax is mainly used in the context of adjuvant radiotherapy after conservative or radical breast surgery, adjuvant or exclusive radiot ...
... The two major contributors to radiation exposure in the population are ubiquitous background radiation and medical exposure.1 A high-dose radiation exposure on the thorax is mainly used in the context of adjuvant radiotherapy after conservative or radical breast surgery, adjuvant or exclusive radiot ...
Atrioventricular Pressure Half-Time
... (no regurgitation) to 4 (marked regurgitation). The values for 15 of the 20 patients fall on or very near the line of equality, showing the half-time to be relatively unaffected by exercise. A plot of the varying R-R intervals and heart rate due to atrial fibrillation against the half-time in 11 con ...
... (no regurgitation) to 4 (marked regurgitation). The values for 15 of the 20 patients fall on or very near the line of equality, showing the half-time to be relatively unaffected by exercise. A plot of the varying R-R intervals and heart rate due to atrial fibrillation against the half-time in 11 con ...
Nuclear cardiology methods in routine clinical practice
... Goal is to achieve at least 85% of maximal heart rate (220-age) or double-product more than 25000 Increase by 50 (25) W after every 3 (2) minutes Rate of pedalling 40 to 60 per minute Radiopharmaceutical injection at peak stress ...
... Goal is to achieve at least 85% of maximal heart rate (220-age) or double-product more than 25000 Increase by 50 (25) W after every 3 (2) minutes Rate of pedalling 40 to 60 per minute Radiopharmaceutical injection at peak stress ...
Short PR Interval
... available to help localize the accessory pathway by analyzing the ECG.4,5 However, the ECG appearance of activation depends upon the extent of preexcitation and fusion. As a result, the same pathway may not always produce the identical ECG pattern. In approximately 10% of patients, multiple accessor ...
... available to help localize the accessory pathway by analyzing the ECG.4,5 However, the ECG appearance of activation depends upon the extent of preexcitation and fusion. As a result, the same pathway may not always produce the identical ECG pattern. In approximately 10% of patients, multiple accessor ...
Losartan Intervention For Endpoint reduction in
... This slide shows the characteristics of the LIFE-participants (9194). 9193 were available for final analyses, since one patient had wrongly been identified as randomised despite not receiving study drugs. The patients were enrolled from June, 1995, to May 2, 1997, in 945 centres in Denmark (n=1391), ...
... This slide shows the characteristics of the LIFE-participants (9194). 9193 were available for final analyses, since one patient had wrongly been identified as randomised despite not receiving study drugs. The patients were enrolled from June, 1995, to May 2, 1997, in 945 centres in Denmark (n=1391), ...
Understanding Arrythmias
... a rapid heartbeat, sometimes up to 4 times faster than normal that originates in the atria. It differs from atrial fibrillation (AF) in that the heartbeat is regular, not irregular. Atrial flutter also carries the risk of developing blood clots, though not as great as with AF. With atrial flutter, t ...
... a rapid heartbeat, sometimes up to 4 times faster than normal that originates in the atria. It differs from atrial fibrillation (AF) in that the heartbeat is regular, not irregular. Atrial flutter also carries the risk of developing blood clots, though not as great as with AF. With atrial flutter, t ...
PDF - Circulation
... acceptor. In this simple framework, mechanisms of normal and deranged acid-base physiology have been sketched. Renal function in acid-base balance has been considered and the role of carbonic anhydrase in proton excretion has been emphasized. Carbon dioxide transport has also been examined; the role ...
... acceptor. In this simple framework, mechanisms of normal and deranged acid-base physiology have been sketched. Renal function in acid-base balance has been considered and the role of carbonic anhydrase in proton excretion has been emphasized. Carbon dioxide transport has also been examined; the role ...
spums j 26/1 - Rubicon Research Repository
... distal small-fibre neuropathy and adrenergic function.1316 It is of particular importance in the assessment of cardiovascular and anaesthetic risk in diabetic patients.17,18 Other uses for the manoeuvre in clinical practice rely on venous and intracardiac pressure changes. They include the evaluatio ...
... distal small-fibre neuropathy and adrenergic function.1316 It is of particular importance in the assessment of cardiovascular and anaesthetic risk in diabetic patients.17,18 Other uses for the manoeuvre in clinical practice rely on venous and intracardiac pressure changes. They include the evaluatio ...
High Arteriovenous (AV) Access Flow and Cardiac Complications Hemodialysis
... In two publications, Isrealis Nakhoul et al and Abassi Z et al investigated and reported on pulmonary hypertension in their ESRD patients. Nakhoul discovered that 48% (20) of his cohort of 40 patients had unexplained pulmonary hypertension (PHT).22 In reviewing other PHT studies, Abassi’s group foun ...
... In two publications, Isrealis Nakhoul et al and Abassi Z et al investigated and reported on pulmonary hypertension in their ESRD patients. Nakhoul discovered that 48% (20) of his cohort of 40 patients had unexplained pulmonary hypertension (PHT).22 In reviewing other PHT studies, Abassi’s group foun ...
Alteration of Systolic Time Intervals in Right Ventricular
... group of ten patients catheterized twice several days apart (fig. 1). Moreover, the systolic time intervals as derived in the present work correlated with stroke index in all patient groups except those with mitral stenosis. Similar correlations have been noted previously, employing externally deriv ...
... group of ten patients catheterized twice several days apart (fig. 1). Moreover, the systolic time intervals as derived in the present work correlated with stroke index in all patient groups except those with mitral stenosis. Similar correlations have been noted previously, employing externally deriv ...
Mixed and Central Venous Oxygen Saturation
... was again greater than SvO2 although the range of values was large (ScvO2 74.2% SD Ô 12.5% vs SvO2 71.3% SD Ô 12.7%) [14]. The largest series reported so far was a retrospective analysis of 3296 patients undergoing cardiac catheterization. Data were analyzed to identify the frequency of patients in ...
... was again greater than SvO2 although the range of values was large (ScvO2 74.2% SD Ô 12.5% vs SvO2 71.3% SD Ô 12.7%) [14]. The largest series reported so far was a retrospective analysis of 3296 patients undergoing cardiac catheterization. Data were analyzed to identify the frequency of patients in ...
of kazakh state medical academy
... nonsteroid-antiinflammatory drugs is characteristic. Arthralgia without objective signs may occur in other joints or may be the only feature, symptoms varying from minor discomfort to severe pain. Untreated joint pains are usually settle over 1 to 4 weeks. Rheumatic carditis Rheumatic fever involves ...
... nonsteroid-antiinflammatory drugs is characteristic. Arthralgia without objective signs may occur in other joints or may be the only feature, symptoms varying from minor discomfort to severe pain. Untreated joint pains are usually settle over 1 to 4 weeks. Rheumatic carditis Rheumatic fever involves ...
An Approach to Analysis of Left Ventricular Diastolic Function and
... of myocardial cells enter the active relaxation phase, ventricular pressure begins to fall and the aortic valve closes.4 There are four clinical phases of diastole (Fig. 1).5,6 The first is isovolumic relaxation, beginning with AVC and ending with mitral valve opening (MVO). Rapid filling begins at ...
... of myocardial cells enter the active relaxation phase, ventricular pressure begins to fall and the aortic valve closes.4 There are four clinical phases of diastole (Fig. 1).5,6 The first is isovolumic relaxation, beginning with AVC and ending with mitral valve opening (MVO). Rapid filling begins at ...
Survival Benefit of Aortic Valve Replacement in Patients With Severe
... lower AVR rate (30 vs 42%, p ⫽ 0.003) indicating a reluctance to offer AVR. AVR AND SURVIVAL. By Kaplan-Meier analysis, patients undergoing AVR had 30 day, 1 year, and 5 year survival rates (from the initial diagnosis of severe AS) of 91%, 80%, and 58%, respectively, compared with 79%, 47%, and 23% ...
... lower AVR rate (30 vs 42%, p ⫽ 0.003) indicating a reluctance to offer AVR. AVR AND SURVIVAL. By Kaplan-Meier analysis, patients undergoing AVR had 30 day, 1 year, and 5 year survival rates (from the initial diagnosis of severe AS) of 91%, 80%, and 58%, respectively, compared with 79%, 47%, and 23% ...
Change in end-tidal carbon dioxide outperforms other surrogates for
... CO has genuinely increased before considering further VE.7 8 However, CO measurements are seldom used to guide VE.1 6 Indeed, the use of CO measuring devices is usually limited by their cost, an unfavourable risk–benefit balance (for indwelling devices), the lack of reliability of some non-invasive ...
... CO has genuinely increased before considering further VE.7 8 However, CO measurements are seldom used to guide VE.1 6 Indeed, the use of CO measuring devices is usually limited by their cost, an unfavourable risk–benefit balance (for indwelling devices), the lack of reliability of some non-invasive ...
presentation, diagnosis, and management
... morphological defects of the right sided valves. Patients with carcinoid heart disease usually die as a result of severe tricuspid regurgitation7 rather than carcinomatosis. Therefore, consideration should be given to the suitability of a patient for valve surgery even in metastatic disease, unless ...
... morphological defects of the right sided valves. Patients with carcinoid heart disease usually die as a result of severe tricuspid regurgitation7 rather than carcinomatosis. Therefore, consideration should be given to the suitability of a patient for valve surgery even in metastatic disease, unless ...
Nonuniformity: A physiologic modulator of contraction and relaxation
... of both muscles (30). Increased synchronicity of contraction could therefore result from an increased velocity of excitation through the specialized conduction tissue. It is unlikely. however, that a slight initial asynchrony plays any significant regulatory role, for little or no increases in condu ...
... of both muscles (30). Increased synchronicity of contraction could therefore result from an increased velocity of excitation through the specialized conduction tissue. It is unlikely. however, that a slight initial asynchrony plays any significant regulatory role, for little or no increases in condu ...