Patients with Ebstein anomaly are known to have a higher incidence of interatrial communications and shunting of blood and its components through, mainly due to either streaming of tricuspid regurgitation or due to elevated right atrial pressure. Here we describe a case where permanent pacemaker lead kept a patent foramen ovale open leading to right-to-left shunting of blood and exertional hypoxemia. This is the first such case report in the published literature.
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http://dx.doi.org/10.1016/j.jaccas.2024.102283 | DOI Listing |
Aerosp Med Hum Perform
December 2024
Background: Swimming-induced pulmonary edema (SIPE), also called immersion pulmonary edema, is a form of exertional pulmonary edema associated with swimming and/or water immersion without aspiration. Most case reports on SIPE feature young, healthy patients who were scuba-diving, surface swimming, snorkeling, or breath-hold diving before experiencing symptoms of dyspnea, chest pain/tightness, cough, and hemoptysis. The incidence of SIPE is thought to be between 0.
View Article and Find Full Text PDFJ Neurophysiol
December 2024
Exercise Applied Physiology Laboratory, Centro de Investigación en Fisiología y Medicina de Altura (FIMEDALT), Departamento Biomedico, Facultad de Ciencias de la Salud,Universidad de Antofagasta,, Antofagasta, Chile.
The cardiorespiratory and metabolic response to exercise has been associated with meeting the organism's metabolic demands during physical exertion. Of note, an incremental exercise is characterized by i) cardiodynamic phase related to cardiac output enhancement mainly determined by a positive chronotropic response, ii) ventilatory threshold one, associated with a significant contribution of cardiovascular and pulmonary ventilation, and iii) ventilatory threshold two, correlated with a tremendous increase in breathing and metabolic responses to exercise. Notably, it has been shown that the ventilatory response to exercise increases concomitantly with the release and accumulation of metabolites (i.
View Article and Find Full Text PDFAnn Am Thorac Soc
November 2024
University of Pittsburgh and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, Medicine, Pittsburgh, Pennsylvania, United States.
J Intensive Care Soc
November 2024
Whittington Hospital Intensive Care Unit, Department of Intensive Care, London, UK.
Nutrients
October 2024
Graduate Institute of Sports and Health Management, National Chung Hsing University, Taichung 402202, Taiwan.
The impact of caffeine and glucose supplementation in a hypoxic environment on endurance exercise performance remains inconclusive. The current study examined the effect of pre-exercise carbohydrate and caffeine supplementation on endurance exercise performance in an acute hypoxic environment. Eight healthy active young males participated in this double-blind, within-subjects crossover study.
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