atrial fibrillation
... frequency and intensity of symptoms, and decrease the risk of complications and death. Unfortunately, there is no conclusive evidence that the therapies available reduce the mortality rate associated with atrial fibrillation.50 However, treatment is appropriate for patients who are hemodynamically u ...
... frequency and intensity of symptoms, and decrease the risk of complications and death. Unfortunately, there is no conclusive evidence that the therapies available reduce the mortality rate associated with atrial fibrillation.50 However, treatment is appropriate for patients who are hemodynamically u ...
150 Practice ECGs: Interpretation and Review
... The remainder of this and the next chapter deal with each item on the ECG reading protocol (see Table 1.1). This book is for the near-beginner; most of you have had some introduction to the ECG. I will avoid lengthy description of technical areas such as the origin of lead systems. My goal is to pro ...
... The remainder of this and the next chapter deal with each item on the ECG reading protocol (see Table 1.1). This book is for the near-beginner; most of you have had some introduction to the ECG. I will avoid lengthy description of technical areas such as the origin of lead systems. My goal is to pro ...
Current status of monophasic action potential recording: theories
... are 290 mV negative inside with respect to the outside. The pressure of the tip electrode (black ellipsoid) against the myocardium results in constant depolarization of the subjacent cell volume (shaded hemisphere). A fixed depolarization to 220 mV is assumed but could be slightly larger or smaller. ...
... are 290 mV negative inside with respect to the outside. The pressure of the tip electrode (black ellipsoid) against the myocardium results in constant depolarization of the subjacent cell volume (shaded hemisphere). A fixed depolarization to 220 mV is assumed but could be slightly larger or smaller. ...
ELECTROCARDIOGRAPHY
... 8.1. HYPERTROPHY and overload of atria ......................................................................................................... 91 8.2. Hypertrophy and overload of ventricles .................................................................................................... 92 ...
... 8.1. HYPERTROPHY and overload of atria ......................................................................................................... 91 8.2. Hypertrophy and overload of ventricles .................................................................................................... 92 ...
time-resolved fluorescence spectroscopy of the heart
... The aim of our study was to investigate the different heart tissues by means of time-resolved fluorescence spectroscopy, and also to determine the number of fluorescing constituents composing the registered steady state fluorescence spectra and to calculate the fractional components of the fluoresce ...
... The aim of our study was to investigate the different heart tissues by means of time-resolved fluorescence spectroscopy, and also to determine the number of fluorescing constituents composing the registered steady state fluorescence spectra and to calculate the fractional components of the fluoresce ...
Congenital Aneurysm of the Sinus of Valsalva
... and when VSD is present, AR usually results from a prolapsed cusp , and when VSD is not present , AR usually arises from other valve abnormalities • Pulmonary stenosis is uncommon, but small gradients are common. • Others are uncommonly, but any defects including COA, PDA, ASD, subaortic stenosis & ...
... and when VSD is present, AR usually results from a prolapsed cusp , and when VSD is not present , AR usually arises from other valve abnormalities • Pulmonary stenosis is uncommon, but small gradients are common. • Others are uncommonly, but any defects including COA, PDA, ASD, subaortic stenosis & ...
Experimental and theoretical ventricular electrograms - AJP
... phase that is characteristic of the mammalian ventricular AP. Instead, ventricular APs in mouse and rat have a triangular shape due to a very rapid phase of repolarization that almost immediately follows the initial depolarization. The lack of a plateau phase between depolarization and repolarizatio ...
... phase that is characteristic of the mammalian ventricular AP. Instead, ventricular APs in mouse and rat have a triangular shape due to a very rapid phase of repolarization that almost immediately follows the initial depolarization. The lack of a plateau phase between depolarization and repolarizatio ...
Assessment report on Leonurus cardiaca herba
... extract 10 ml, Melissae liquid extract 10 ml, Leonuri cardiacae tincture 15 ml; oral use; in cases of palpitations: Adults 15 drops 3 times daily, in cases of sleep disorders: Adults 15 drops 2 times daily, Children over 6 years: 6 drops 2 times daily; traditionally used to reduce nervousness in adu ...
... extract 10 ml, Melissae liquid extract 10 ml, Leonuri cardiacae tincture 15 ml; oral use; in cases of palpitations: Adults 15 drops 3 times daily, in cases of sleep disorders: Adults 15 drops 2 times daily, Children over 6 years: 6 drops 2 times daily; traditionally used to reduce nervousness in adu ...
Comparison of the vascular effects of adenosine in isolated mouse
... Because adenosine receptors are widely distributed throughout the body, understanding differences in regional vascular responses mediated by each receptor subtype will be necessary for the development of future adenosinergic therapies. Characterization of adenosine receptor-mediated vascular respons ...
... Because adenosine receptors are widely distributed throughout the body, understanding differences in regional vascular responses mediated by each receptor subtype will be necessary for the development of future adenosinergic therapies. Characterization of adenosine receptor-mediated vascular respons ...
Print - Circulation Research
... Recent work has shown that alterations in the dynamic atrioventricular (AV) nodal response to changes in heart rate can significantly modify AV nodal function. The present study was designed to evaluate the nature and potential importance of sympathetic regulation of the rate-dependent properties of ...
... Recent work has shown that alterations in the dynamic atrioventricular (AV) nodal response to changes in heart rate can significantly modify AV nodal function. The present study was designed to evaluate the nature and potential importance of sympathetic regulation of the rate-dependent properties of ...
ללא כותרת שקופית
... The third heart sound (S3) occurs 0.12 to 0.20 seconds after S2 in early Diastole. Of the many proposed theories, the most likely explanation is that excessive rapid filling of the ventricle is suddenly halted, causing vibrations that are audible as S3. Pathologic states where an S3 is ...
... The third heart sound (S3) occurs 0.12 to 0.20 seconds after S2 in early Diastole. Of the many proposed theories, the most likely explanation is that excessive rapid filling of the ventricle is suddenly halted, causing vibrations that are audible as S3. Pathologic states where an S3 is ...
Chronic Atrial Fibrillation - American Academy of Family Physicians
... ECG (with the exception of atrial fibrillation) and chest radiography. This review covers only chronic atrial fibrillation (persistent and permanent). In most cases of suspected atrial fibrillation, a 12-lead ECG is sufficient for diagnosis confirmation. However, if diagnostic uncertainty remains, s ...
... ECG (with the exception of atrial fibrillation) and chest radiography. This review covers only chronic atrial fibrillation (persistent and permanent). In most cases of suspected atrial fibrillation, a 12-lead ECG is sufficient for diagnosis confirmation. However, if diagnostic uncertainty remains, s ...
with abnormalities of atrioventricular conduction Genetic study of
... A genetic analysis was made of ro families in which the propositi had a secundum atrial septal defect associated with abnowrmal atrioventricular conduction (first, second, or third degree heart block) or unexplained left axis deviation or a combination of these conduction disturbances. Diagnostic in ...
... A genetic analysis was made of ro families in which the propositi had a secundum atrial septal defect associated with abnowrmal atrioventricular conduction (first, second, or third degree heart block) or unexplained left axis deviation or a combination of these conduction disturbances. Diagnostic in ...
Coronary flow reserve as a physiologic measure of stenosis severity
... physiologic variables. Stenosis flow reserve is derived from length, percent stenosis, absolute diameters and shape by quantitative coronary arteriography using standardized physiologic conditions. To study the relative merits of absolute coronary flow reserve measured by flow meter and stenosis flo ...
... physiologic variables. Stenosis flow reserve is derived from length, percent stenosis, absolute diameters and shape by quantitative coronary arteriography using standardized physiologic conditions. To study the relative merits of absolute coronary flow reserve measured by flow meter and stenosis flo ...
Coronary arteriosclerosis in salmon: growing old or
... coronary arteriosclerosis than other fish species. Therefore, coronary arteriosclerosis is a fact of life for mature spawning salmonids, but rarely the case in other fish species. As such, migratory salmon are an intriguing comparative model for the study of coronary arteriosclerosis. Atlantic and P ...
... coronary arteriosclerosis than other fish species. Therefore, coronary arteriosclerosis is a fact of life for mature spawning salmonids, but rarely the case in other fish species. As such, migratory salmon are an intriguing comparative model for the study of coronary arteriosclerosis. Atlantic and P ...
Advances in the Study of Heart Development and Disease Using
... Epicardium: The epicardium develops from an extra-cardiac population of cells called the pro-epicardium. The pro-epicardium can be distinguished morphologically at 48 hpf as a group of spherical cells located in close proximity to the ventral wall of the looped heart at the level of AV junction [52– ...
... Epicardium: The epicardium develops from an extra-cardiac population of cells called the pro-epicardium. The pro-epicardium can be distinguished morphologically at 48 hpf as a group of spherical cells located in close proximity to the ventral wall of the looped heart at the level of AV junction [52– ...
life with dilated cardiomyopathy
... In very rare cases, exposure to certain chemicals can cause dilated cardiomyopathy. In these cases, we don’t know if the person developed the condition because they already had a genetic tendency to develop it, or whether the toxins caused the cardiomyopathy. Some anti-cancer medicines, such as anth ...
... In very rare cases, exposure to certain chemicals can cause dilated cardiomyopathy. In these cases, we don’t know if the person developed the condition because they already had a genetic tendency to develop it, or whether the toxins caused the cardiomyopathy. Some anti-cancer medicines, such as anth ...
Arrhythmia/Electrophysiology
... exercise at the time of the sports-related SD, as assessed by the ambulance officers using a prospectively defined scale of 1 to 8 metabolic equivalents (MET), classified as light (⬍4 MET), moderate (4 to 6 MET), or vigorous (⬎6 MET),19,20 as well as the sports activity being undertaken at the time ...
... exercise at the time of the sports-related SD, as assessed by the ambulance officers using a prospectively defined scale of 1 to 8 metabolic equivalents (MET), classified as light (⬍4 MET), moderate (4 to 6 MET), or vigorous (⬎6 MET),19,20 as well as the sports activity being undertaken at the time ...
The Alcohol Hangover - CiteSeerX
... hangover include increases in heart rate, left ventricular performance (as measured by ejection fraction), and blood pressure (14, 55). The peripheral vasodilatation seen with acute alcohol ingestion is not observed in hangover (14). The increased cardiac work with normal peripheral resistance that ...
... hangover include increases in heart rate, left ventricular performance (as measured by ejection fraction), and blood pressure (14, 55). The peripheral vasodilatation seen with acute alcohol ingestion is not observed in hangover (14). The increased cardiac work with normal peripheral resistance that ...
Nathan D
... Program (with Shaista Malik, MD, PhD, Medical Director) - clinic for primary and secondary prevention of cardiovascular disease in patients with cardiovascular risk factors. Helped develop the clinic and provide ongoing guidance on administrative and personnel issues. 1999-present -Coordinator, Card ...
... Program (with Shaista Malik, MD, PhD, Medical Director) - clinic for primary and secondary prevention of cardiovascular disease in patients with cardiovascular risk factors. Helped develop the clinic and provide ongoing guidance on administrative and personnel issues. 1999-present -Coordinator, Card ...
Slow and Long-Lasting Modulation of
... and, for the most part, in the absence of known myocardial disease that would allow these T wave changes to be classified as primary. Rosenbaum et a15 noted that prolonged ventricular pacing modulates ventricular repolarization such that the T wave again becomes concordant to the R wave, as during n ...
... and, for the most part, in the absence of known myocardial disease that would allow these T wave changes to be classified as primary. Rosenbaum et a15 noted that prolonged ventricular pacing modulates ventricular repolarization such that the T wave again becomes concordant to the R wave, as during n ...
WIDE QRS TACHYCARDIA DR ANKUR
... • One small retrospective study found that histories of prior MI, CHF and recent angina pectoris all had positive predictive values for VT greater than 95% but sensitivities were low to moderate. • Patient age older than 35 years suggests VT. Patient age younger than 35 years supports PSVT with sens ...
... • One small retrospective study found that histories of prior MI, CHF and recent angina pectoris all had positive predictive values for VT greater than 95% but sensitivities were low to moderate. • Patient age older than 35 years suggests VT. Patient age younger than 35 years supports PSVT with sens ...
Rediscovering Heart Failure Burden Report
... close to $900 million and as part of an acute hospitalisation $1.8 billion (total direct cost = ~$2.7 billion). These figures are likely to rise without the application of evidence-based strategies capable of cost-effectively reducing the costliest component of heart failure management – hospital st ...
... close to $900 million and as part of an acute hospitalisation $1.8 billion (total direct cost = ~$2.7 billion). These figures are likely to rise without the application of evidence-based strategies capable of cost-effectively reducing the costliest component of heart failure management – hospital st ...
Increased Phosphorylation of Ca2+ Handling Proteins as a - J
... mapped area included parts of the right and left ventricular free walls. Optical mapping were performed in 6, 6 and 6 rats in the Control, Myo and MyoS groups, respectively. To evaluate the effect of CaMKII activation on arrhythmia, optical mapping was performed in additional rats with myocarditis a ...
... mapped area included parts of the right and left ventricular free walls. Optical mapping were performed in 6, 6 and 6 rats in the Control, Myo and MyoS groups, respectively. To evaluate the effect of CaMKII activation on arrhythmia, optical mapping was performed in additional rats with myocarditis a ...