AHA Scientific Statement
... maximal volume and has thus exhausted most of its preload reserve. Some studies, however, have shown acute exerciseinduced increases in LV preload in patients with HF, particularly those with coronary artery disease.10 The failure to increase LV systolic emptying and thus augment LVEF derives from a ...
... maximal volume and has thus exhausted most of its preload reserve. Some studies, however, have shown acute exerciseinduced increases in LV preload in patients with HF, particularly those with coronary artery disease.10 The failure to increase LV systolic emptying and thus augment LVEF derives from a ...
ECG Dysrhythmias
... Bradycardia is when the heart is < 60 beats/minute or when the heart rate is slower than expected Sinus bradycardia usually occurs as a response to a reduced demand for blood flow Signs and symptoms might include: ...
... Bradycardia is when the heart is < 60 beats/minute or when the heart rate is slower than expected Sinus bradycardia usually occurs as a response to a reduced demand for blood flow Signs and symptoms might include: ...
Autonomic Nervous System Testing
... before, during, and after the procedure. Healthy subjects develop tachycardia and peripheral vasoconstriction during strain, and an overshoot in blood pressure and bradycardia on release. The Valsalva ratio is the longest R-R/ shortest R-R. The Valsalva maneuver has also been well evaluated and stud ...
... before, during, and after the procedure. Healthy subjects develop tachycardia and peripheral vasoconstriction during strain, and an overshoot in blood pressure and bradycardia on release. The Valsalva ratio is the longest R-R/ shortest R-R. The Valsalva maneuver has also been well evaluated and stud ...
Focused update 2012 on atrial fibrillation
... of the risk –benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to pre-defined scales, as outlined in Tables 1 and 2. The e ...
... of the risk –benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to pre-defined scales, as outlined in Tables 1 and 2. The e ...
Heart
... Etymology: Cognate with Old Frisian herte, hirte (West Frisian hert), Old Dutch herta. I. The organ, its function, region, etc. ...
... Etymology: Cognate with Old Frisian herte, hirte (West Frisian hert), Old Dutch herta. I. The organ, its function, region, etc. ...
2012 focused update of the ESC Guidelines for the management of
... of the risk –benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to pre-defined scales, as outlined in Tables 1 and 2. The e ...
... of the risk –benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to pre-defined scales, as outlined in Tables 1 and 2. The e ...
Assessment of Regional Myocardial Blood Flow and Regional
... SUMMARY A new approach to the assessment of regional myocardial blood flow and fractional oxygen extraction has been developed using 15O-water (H215O) and l5O-hemoglobin ( 15 O-Hb). Bolus doses (1 mCi) of H,1 O and 15OHb were injected 10 minutes apart into the left main coronary artery of 12 normal ...
... SUMMARY A new approach to the assessment of regional myocardial blood flow and fractional oxygen extraction has been developed using 15O-water (H215O) and l5O-hemoglobin ( 15 O-Hb). Bolus doses (1 mCi) of H,1 O and 15OHb were injected 10 minutes apart into the left main coronary artery of 12 normal ...
The Effects of Maternal Systemic Lupus Erythematosus on the
... also prevent the backflow of blood into the atrial compartments of the heart. In CHB, cardiac tissue formation is disrupted with the introduction of scar tissue on the atrioventricular valve, which affects the successful circulatory flow of blood through the heart and the development of the fetal he ...
... also prevent the backflow of blood into the atrial compartments of the heart. In CHB, cardiac tissue formation is disrupted with the introduction of scar tissue on the atrioventricular valve, which affects the successful circulatory flow of blood through the heart and the development of the fetal he ...
2012 focused update of the ESC Guidelines
... of the risk –benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to pre-defined scales, as outlined in Tables 1 and 2. The e ...
... of the risk –benefit ratio. Estimates of expected health outcomes for larger societies are included, where data exist. The level of evidence and the strength of recommendation of particular treatment options are weighed and graded according to pre-defined scales, as outlined in Tables 1 and 2. The e ...
Influence of sibutramine on heart rate in obese patients: systematic
... rate when compared to placebo. The statistics data are: relative risk (RR) 3.73, confidence interval (CI) 2.07 to 6.73, risk difference (RD) of 0.13, number needed to harm (NNH) of 7 (seven patients treated with placebo, it avoids one increased heart rate triggered by sibutramine). From the analysis ...
... rate when compared to placebo. The statistics data are: relative risk (RR) 3.73, confidence interval (CI) 2.07 to 6.73, risk difference (RD) of 0.13, number needed to harm (NNH) of 7 (seven patients treated with placebo, it avoids one increased heart rate triggered by sibutramine). From the analysis ...
Disclaimer
... The swimming training protocol investigated here was effective at developing cardiovascular alterations in response to physical exercise. The LI group had lactate levels below MLSS, supporting a low-intensity protocol. However, the rats in the MI group, which bore a workload equivalent to 5% of thei ...
... The swimming training protocol investigated here was effective at developing cardiovascular alterations in response to physical exercise. The LI group had lactate levels below MLSS, supporting a low-intensity protocol. However, the rats in the MI group, which bore a workload equivalent to 5% of thei ...
Total mechanical energy of a ventricle model and cardiac oxygen
... cardiac loading conditions and contractile state. Gibbs (12) has developed a phenomenological equation for cardiac muscle energetics based on a similar equation for skeletal muscle (14), but it is not easily applicable to the heart in a variety of loading conditions. Ghista and Sandler (11) and Suga ...
... cardiac loading conditions and contractile state. Gibbs (12) has developed a phenomenological equation for cardiac muscle energetics based on a similar equation for skeletal muscle (14), but it is not easily applicable to the heart in a variety of loading conditions. Ghista and Sandler (11) and Suga ...
The AHA Guidelines Including Pediatric Resuscitation
... The EMT does chest compressions for 2 minutes, while his partners set up and administer supplemental oxygen and insert an intravenous line without interrupting the compressions. The EMTs do not have a manual defibrillator and their AED does not have a pediatric dose attenuator system, so they use th ...
... The EMT does chest compressions for 2 minutes, while his partners set up and administer supplemental oxygen and insert an intravenous line without interrupting the compressions. The EMTs do not have a manual defibrillator and their AED does not have a pediatric dose attenuator system, so they use th ...
Baroreceptor stimulation for resistant hypertension
... centers accustomed to the management of hypertension in France [3—5]. These patients may be considered for a non-pharmacological approach (i.e. renal denervation). While this technique appeared very promising after the SYMPLICITY HTN-1 and HTN-2 trials, the publication of the SYMPLICITY HTN-3 trial ...
... centers accustomed to the management of hypertension in France [3—5]. These patients may be considered for a non-pharmacological approach (i.e. renal denervation). While this technique appeared very promising after the SYMPLICITY HTN-1 and HTN-2 trials, the publication of the SYMPLICITY HTN-3 trial ...
Competencies list
... 54. List the different uses of exercise electrocardiography. 55. Describe at least one variation of exercise electrocardiography. 56. Prepare a patient for exercise electrocardiography. 57. Perform patient teaching for exercise electrocardiography. 58. Define steps in conducting exercise electrocard ...
... 54. List the different uses of exercise electrocardiography. 55. Describe at least one variation of exercise electrocardiography. 56. Prepare a patient for exercise electrocardiography. 57. Perform patient teaching for exercise electrocardiography. 58. Define steps in conducting exercise electrocard ...
Effects of paediatric HIV infection on electrical conduction of the heart
... were not analysable for QT interval due to the right bundle branch block and non-specific ST/T wave changes, whereas six ECGs were not analysable for PR interval measurement due to the low-voltage P wave. Measurement of potential confounders and intermediary variables We a priori included age and bod ...
... were not analysable for QT interval due to the right bundle branch block and non-specific ST/T wave changes, whereas six ECGs were not analysable for PR interval measurement due to the low-voltage P wave. Measurement of potential confounders and intermediary variables We a priori included age and bod ...
Resolving Myocardial Activation With Novel Omnipolar Electrograms
... Langendorff Optical and Electric Rabbit Data The purpose of this model was to validate the electric mapping acquired unipoles, bipoles, and omnipoles against concurrently obtained optical-mapping data. Whole hearts were harvested from 6 healthy New Zealand White male rabbits weighing ≈3 to 4 kg. Aft ...
... Langendorff Optical and Electric Rabbit Data The purpose of this model was to validate the electric mapping acquired unipoles, bipoles, and omnipoles against concurrently obtained optical-mapping data. Whole hearts were harvested from 6 healthy New Zealand White male rabbits weighing ≈3 to 4 kg. Aft ...
Assessment of Cardiac Function in Duchenne Muscular Dystrophy
... So is circumferential strain ready for prime time? Need to critically prove with larger studies over longer period of time so there is clear evidence Need to think out of the box and move from status quo practice Before we treat cardiac issues we need a sensitive and reliable tool ...
... So is circumferential strain ready for prime time? Need to critically prove with larger studies over longer period of time so there is clear evidence Need to think out of the box and move from status quo practice Before we treat cardiac issues we need a sensitive and reliable tool ...
Transcatheter Aortic Valve Replacement: A Review Article Juan A
... intervention for the replacement of severely stenotic aortic valves in highrisk patients for standard surgical procedures. Since the initial PARTNER trial results, use of TAVR has been on the rise each year. New delivery methods and different valves have been developed and modified in order to promo ...
... intervention for the replacement of severely stenotic aortic valves in highrisk patients for standard surgical procedures. Since the initial PARTNER trial results, use of TAVR has been on the rise each year. New delivery methods and different valves have been developed and modified in order to promo ...
Cardiovascular magnetic resonance artefacts | SpringerLink
... the magnetisation settles into a steady dynamic equilibrium (known as steady-state) during the multiple shots (excitations) of the sequence. Two strategies are commonly employed to deal with the remaining transverse magnetisation at the end of each TR: the remaining transverse magnetisation can be s ...
... the magnetisation settles into a steady dynamic equilibrium (known as steady-state) during the multiple shots (excitations) of the sequence. Two strategies are commonly employed to deal with the remaining transverse magnetisation at the end of each TR: the remaining transverse magnetisation can be s ...
Cardioverter-defibrillators (Implantable And External)
... Survivors of cardiac arrest, after reversible causes have been excluded; or Symptomatic, sustained ventricular tachycardia in association with congenital heart disease in patients who have undergone hemodynamic and electrophysiologic evaluation; or Congenital heart disease with recurrent syncope o ...
... Survivors of cardiac arrest, after reversible causes have been excluded; or Symptomatic, sustained ventricular tachycardia in association with congenital heart disease in patients who have undergone hemodynamic and electrophysiologic evaluation; or Congenital heart disease with recurrent syncope o ...
Factors influencing the pattern and intensity of myocardial 18F
... myocardial 18F-FDG uptake can obscure these abnormalities or mimic the corresponding findings [4, 5]. On the other hand, variable myocardial 18FFDG uptake in consecutive images may influence the real uptake of tumoral lesions leading to some misinterpretations during quantitative evaluation of metab ...
... myocardial 18F-FDG uptake can obscure these abnormalities or mimic the corresponding findings [4, 5]. On the other hand, variable myocardial 18FFDG uptake in consecutive images may influence the real uptake of tumoral lesions leading to some misinterpretations during quantitative evaluation of metab ...
2014-2015 CVD Fellowship Manual - American College of Cardiology
... in right/wrong format. High stakes oral exams may be videotaped for documentation purposes. 4. Global assessment - Rating of overall functioning of resident during a specified time period on a continuum from low to high (specific rating anchors vary) across one or more performance domains; performan ...
... in right/wrong format. High stakes oral exams may be videotaped for documentation purposes. 4. Global assessment - Rating of overall functioning of resident during a specified time period on a continuum from low to high (specific rating anchors vary) across one or more performance domains; performan ...
The Dangers Of Statin Drugs – What You Haven`t Been
... According to the research of Dr. Golomb, nerve problems are a common side effect from statin use; patients who use statins for two or more years are at a four to 14-fold increased risk of developing idiopathic polyneuropathy compared to controls.11 She reports that in many cases, patients told her t ...
... According to the research of Dr. Golomb, nerve problems are a common side effect from statin use; patients who use statins for two or more years are at a four to 14-fold increased risk of developing idiopathic polyneuropathy compared to controls.11 She reports that in many cases, patients told her t ...