Relationship of Ventricular Ectopic Activity to Spectral Measures of Heart Rate Variability in Patients with Idiopathic Ventricular Tachycardia

1992 ◽  
Vol 82 (s26) ◽  
pp. 36P-36P
Author(s):  
JS Gill ◽  
F Lu ◽  
DE Ward ◽  
AJ Camm
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Ventricular Tachycardia ◽  
Ectopic Activity ◽  
Spectral Measures ◽  
Ventricular Ectopic Activity ◽  
Idiopathic Ventricular Tachycardia ◽  
Relationship Of

scholarly journals Prognostic value of heart rate variability in post-infarction patients

2014 ◽  
Vol 71 (10) ◽  
pp. 925-930 ◽  
Author(s):  
Aneta Boskovic ◽  
Natasa Belada ◽  
Bozidarka Knezevic
Keyword(s):  
Heart Failure ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Risk Stratification ◽  
Independent Predictor ◽  
Clinical Signs ◽  
Left Ventricular Ejection ◽  
Ectopic Activity ◽  
Ventricular Ectopic Activity ◽  
Rr Interval

Background/Aim. Depressed heart rate variability (HRV) indicating autonomic disequilibrium and propensity to ventricular ectopy can be useful for risk stratification in patients following acute myocardial infarction (AIM). The aim of the study was to assess heart rate variability as a predictor of allcause mortality in post-infarction patients. Methods. We analyzed the 24-hour electrocardiographic (ECG) recordings of 100 patients (80 males) during hospitalization for AIM. The mean age of patients was 56.99 + 11.03 years. Time domain heart rate variability analysis was obtained from 8 to 13 days after index infarction by mean of a 24- hour ECG recording, and the calculated parameters were: standard deviation of all normal to normal RR intervals (SDNN), RRmax-RRmin (difference between the longest RR interval and the shortest RR interval), mean RR interval. We also analyzed ventricular premature complexes from the ECG data. The patients underwent clinical evaluation, laboratory tests and echocardiography. Results. Within a oneyear follow-up period 11 patients experienced death, 10 of them because of cardiac reason and one because of stroke. There were significantly lower values of SDNN (60.55 ? 12.84 ms vs 98.38 ? 28.21 ms), RRmax-RRmin (454.36 ? 111.00 ms vs 600.99 ? 168.72 ms) and mean RR interval (695.82 ? 65.87 ms vs 840.07 ? 93.97 ms) in deceased patients than in the survivors, respectively (p < 0.01). The deceased patients were of higher mean age, with lower left ventricular ejection fraction (0.46 ? 0.05 vs 0.56 ? 0.06 in survivors), and more frequent clinical signs of heart failure and ventricular ectopic activity (> 10VPCs/h; p < 0.01). Multivariate Cox analysis showed that SDNN was a significant, independent predictor of all-cause mortality in postinfarction patients. The other independent predictors were clinical signs of heart failure - Killip class II and III and ventricular ectopic activity. Conclusion. Depressed HRV is an independent predictor of mortality in post-infarction patients and may provide useful additional prognostic information in non-invasive risk stratification of these patients.

Heart rate variability and ventricular ectopic activity in hypertensive patients

1989 ◽  
Vol 7 ◽  
pp. S34-35 ◽  
Author(s):  
Carmine Cardillo ◽  
Vincenzo Musumeci ◽  
Nadia Mores ◽  
Giuseppe Guerrera ◽  
Domenico Melina ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Ectopic Activity ◽  
Hypertensive Patients ◽  
Ventricular Ectopic Activity

Heart rate variability in children with idiopathic ventricular tachycardia

2007 ◽  
Vol 17 (3) ◽  
pp. 153-159 ◽  
Author(s):  
Bojko Bjelakovic ◽  
Goran Vukomanovic ◽  
Vladislav Vukomanovic ◽  
Ljiljana Pejcic ◽  
Ljiljana Saranac ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Ventricular Tachycardia ◽  
Idiopathic Ventricular Tachycardia

Impaired heart rate variability and increased ventricular ectopic activity in patients with left ventricular hypertrophy

1994 ◽  
Vol 27 ◽  
pp. 179-181 ◽  
Author(s):  
Mahendra K. Mandawat ◽  
David R. Wallbridge ◽  
Stuart D. Pringle ◽  
Abdulla A.S. Riyami ◽  
Shahid Latif ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Left Ventricular Hypertrophy ◽  
Ventricular Hypertrophy ◽  
Left Ventricular ◽  
Ectopic Activity ◽  
Ventricular Ectopic Activity

scholarly journals Dynamics of cardiovascular risk factors in patients with obstructive sleep apnoe syndrom undergoing CPAP-therapy

2015 ◽  
Vol 17 (2) ◽  
pp. 41
Author(s):  
N. F. Yakovleva ◽  
A. V. Yakovlev ◽  
S. V. Ponomarev ◽  
A. K. Snegirkova ◽  
I. M. Felikov ◽  
...  
Keyword(s):  
Risk Factors ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Cardiovascular Risk ◽  
Cardiovascular Risk Factors ◽  
Left Ventricular ◽  
Cpap Therapy ◽  
Ectopic Activity ◽  
Ventricular Ectopic Activity ◽  
Obstructive Sleep

The aim of the study was to investigate the intensity of a number of risk factors resulting in cardiovascular complications, such as body mass index (BMI), level of mean arterial pressure (MAP), left ventricular mass index (LVMI), left ventricular ejection fraction (LVEF) and also ECG data (heart rate variability and ventricular ectopic activity) depending on the severity of obstructive respiratory disturbances during sleep. 76 patients with obstructive sleep apnea syndrome (OSAS) were included in the study. 38 patients with a severe form of OSAS underwent prolonged apparatus treatment which included generating positive pressure in their upper airways. After 4-month treatment the patients of this group underwent another examination to estimate all the parameters studied. Examination of patients with OSAS revealed that a number of indices (BMI, LVMI and MAP) showing the intensity of basic modified cardiovascular risk factors, such as obesity and arterial hypertension, correlate to the level of obstructive respiratory disturbances during sleep, which was estimated according to apnea-hypopnea index (AHI). Twenty-four-hour ECG monitoring of patients with OSAS showed a tendency for a decrease in heart rate variability and an increase in ventricular ectopic activity in patients with more apparent obstructive respiratory disturbances during sleep and with negative disease dynamics against the background of CPAP therapy.

Heart Rate Variability and its Relation to Ventricular tachycardia in Patients with Coronary Artery Disease

1996 ◽  
Vol 91 (s1) ◽  
pp. 67-67 ◽  
Author(s):  
Peter Maier ◽  
Marcell Toepfer ◽  
Martin Dambacher ◽  
Karl Theisen ◽  
Helmut Roskamm ◽  
...  
Keyword(s):  
Coronary Artery Disease ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Ventricular Tachycardia ◽  
Coronary Artery ◽  
Artery Disease
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