Characteristics of Heart Disease Patients whose Inflection Point of Respiratory Rate during a Ramp Protocol Appears Earlier than Anaerobic Threshold

2012 ◽  
Vol 18 (10) ◽  
pp. S153
Author(s):  
Hiroto Takamatsu ◽  
Hitoshi Adachi ◽  
Junichi Tomono ◽  
Kouji Kumagai ◽  
Ren Kawaguchi ◽  
...  
Keyword(s):  
Heart Disease ◽  
Respiratory Rate ◽  
Anaerobic Threshold ◽  
Inflection Point

RESPIRATORY RATE, TIDAL VOLUME AND VENTILATION OF NEWBORN INFANTS IN THE PRONE AND SUPINE POSITIONS

PEDIATRICS ◽  
1961 ◽  
Vol 28 (3) ◽  
pp. 388-393
Author(s):  
W. T. Bruns ◽  
K. O. Loken ◽  
A. A. Siebens
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Tidal Volume ◽  
Respiratory Rate ◽  
Prone Position ◽  
Congenital Heart ◽  
Newborn Infants ◽  
Periodic Breathing ◽  
Continuous Recording ◽  
Body Plethysmograph

The respiratory rate, tidal volume and ventilation were measured in newborn infants with a body plethysmograph. A continuous recording revealed that, with one exception, no significant change occurred in these parameters when seven mature infants were turned from supine to prone position or vice versa. Two mature infants with periodic breathing, one of whom had congenital heart disease, exhibited periods of apnea when placed from the supine into the prone position.

scholarly journals The vanishing phantoms

2019 ◽  
Vol 6 (3) ◽  
pp. 987
Author(s):  
Aniket Patil ◽  
Siddhant Jain ◽  
Sourya Acharya ◽  
Sakshi Gagneja
Keyword(s):  
Heart Rate ◽  
Heart Disease ◽  
Ischemic Heart Disease ◽  
Oxygen Saturation ◽  
Respiratory Rate ◽  
Medical Management ◽  
Ambient Air ◽  
Lower Limbs ◽  
Ischemic Heart ◽  
Progressive Dyspnea

A50-year-old known diabetic female presented to us with gradually progressive dyspnea and swelling over both lower limbs since 15 days. She was a known case of ischemic heart disease since 3 years on medical management. On examination she was afebrile, heart rate was 128 beats/min, BP-98/52mm of Hg, JVP was raised at 11 cm of water. The respiratory rate was 30/min. Oxygen saturation was 92% while breathing in ambient air. Air entry was decreased on right inter and infra scapular areas with bi basal late inspiratory crepitations.

Heart rate inflection point estimates the anaerobic threshold in overweight and obese young adults

2016 ◽  
Vol 12 (3) ◽  
pp. 397-405 ◽  
Author(s):  
Lucieli Teresa Cambri ◽  
Fabiula Isoton Novelli ◽  
Marcelo Magalhães Sales ◽  
Laila Cândida de Jesus Lima de Sousa ◽  
Marilene Gonçalves Queiroz ◽  
...  
Keyword(s):  
Heart Rate ◽  
Young Adults ◽  
Anaerobic Threshold ◽  
Inflection Point ◽  
Point Estimates

scholarly journals Adverse Trends in Premature Cardiometabolic Mortality in the United States, 1999 to 2018

2020 ◽  
Vol 9 (23) ◽  
Author(s):  
Nilay S. Shah ◽  
Donald M. Lloyd‐Jones ◽  
Namratha R. Kandula ◽  
Mark D. Huffman ◽  
Simon Capewell ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
United States ◽  
Heart Disease ◽  
Cerebrovascular Disease ◽  
Inflection Point ◽  
The United States ◽  
Online Data ◽  
Annual Percent Change ◽  
Men And Women ◽  
Premature Deaths

Background Life expectancy in the United States has recently declined, in part attributable to premature cardiometabolic mortality. We characterized national trends in premature cardiometabolic mortality, overall, and by race‐sex groups. Methods and Results Using death certificates from the Centers for Disease Control and Prevention's Wide‐Ranging Online Data for Epidemiologic Research, we quantified premature deaths (<65 years of age) from heart disease, cerebrovascular disease, and diabetes mellitus from 1999 to 2018. We calculated age‐adjusted mortality rates (AAMRs) and years of potential life lost (YPLL) from each cardiometabolic cause occurring at <65 years of age. We used Joinpoint regression to identify an inflection point in overall cardiometabolic AAMR trends. Average annual percent change in AAMRs and YPLL was quantified before and after the identified inflection point. From 1999 to 2018, annual premature deaths from heart disease (117 880 to 128 832), cerebrovascular disease (18 765 to 20 565), and diabetes mellitus (16 553 to 24 758) as an underlying cause of death increased. By 2018, 19.7% of all heart disease deaths, 13.9% of all cerebrovascular disease deaths, and 29.1% of all diabetes mellitus deaths were premature. AAMRs and YPLL from heart disease and cerebrovascular disease declined until the inflection point identified in 2011, then remained unchanged through 2018. Conversely, AAMRs and YPLL from diabetes mellitus did not change through 2011, then increased through 2018. Black men and women had higher AAMRs and greater YPLL for each cardiometabolic cause compared with White men and women, respectively. Conclusions Over one‐fifth of cardiometabolic deaths occurred at <65 years of age. Recent stagnation in cardiometabolic AAMRs and YPLL are compounded by persistent racial disparities.

Anaerobic threshold

2021 ◽  
pp. 86-92
Author(s):  
William J.M. Kinnear ◽  
James H. Hull
Keyword(s):  
Carbon Dioxide ◽  
Heart Disease ◽  
Lactic Acid ◽  
Oxygen Uptake ◽  
Anaerobic Threshold ◽  
Exercise Test ◽  
Cardiopulmonary Exercise Test ◽  
Operative Risk ◽  
Anaerobic Processes ◽  
Cardiopulmonary Exercise

This chapter describes the changes that occur when anaerobic processes start to supplement aerobic metabolism during a cardiopulmonary exercise test (CPET). Lactic acid is produced, which is buffered by bicarbonate to produce carbon dioxide and water. The anaerobic threshold (AT) should be seen when VO2 is at least 40% of predicted maximum oxygen uptake (VO2max). A low AT indicates poor oxygen delivery to muscles. This can be seen in heart disease, peripheral vascular disease or anaemia. AT is useful for predicting operative risk.

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