• cardiac
  • However, patterns in the traditional frequency domain (measured in Hz, or cycles per second) may capture different cardiac phenomena at different heart rates. (harvard.edu)
  • Both conditions lead to a decrease in cardiac output which is accompanied by an elevation of central venous pressure that reflects, in an imperfect fashion, the real status of intravascular volume in this scenario [ 5 ].Stasis in deep venous circulation puts the patient in an increased risk for thromboemolism. (intechopen.com)
  • This intronless gene is deleted in AMME contiguous gene syndrome and is potentially involved in the cardiac and neurologic abnormalities found in the AMME contiguous gene syndrome. (wikipedia.org)
  • Similarly, AKI after cardiac surgery occurs in over 10% of patients under normal circumstances and is associated with dramatic increases in mortality. (jove.com)
  • Cardiorenal syndrome (CRS) refers to multiple abnormalities characterized by a cluster of concurring symptoms related to cardiac and renal damage. (intechopen.com)
  • Heart failure characteristically involves increased catecholamine activity on the heart, which is responsible for a number of deleterious effects, including increased oxygen demand, propagation of inflammatory mediators, and abnormal cardiac tissue remodeling, all of which decrease the efficiency of cardiac contraction and contribute to the low ejection fraction. (wikipedia.org)
  • aortic
  • The technique produces a physiologically relevant measure of stiffness compared to ex vivo approaches because physiological influences on aortic stiffness are incorporated in the measurement. (jove.com)
  • mechanisms
  • Because these nerves also regulate conditions like excessive blushing or sweating, which the procedure is designed to eliminate, the normative functions these physiological mechanisms perform will be disabled or significantly impaired by sympathectomy. (wikipedia.org)
  • obesity
  • The rising prevalence of obesity is likely to result from contemporary environmental and lifestyle factors such as increased access to palatable foods and reduced requirements for physical exercise, when compared with ancient hunter-gatherer lifestyles characterised by unpredictable periods of feast and famine. (biomedsearch.com)
  • doi:10.1111/nyas.12030 PMID 23356701 Epidemiology of metabolic syndrome Epidemiology of obesity Fed Up (documentary featuring Lustig, 2014) Metabolic disorder Vanessa C. Campos, Luc Tappy, International Journal of Obesity, March 2016: "A high intake of fructose-containing sugars is associated with body weight gain in large cohort studies, and fructose can certainly contribute to energy imbalance leading to obesity. (wikipedia.org)
  • ventricular
  • Brugada syndrome is a relatively rare but lethal ventricular arrhythmia most commonly linked to voltage-gated sodium channel gene SCN5A mutations, but also associated with some Kv channel gene sequence variants. (wikipedia.org)
  • These two gene variants did not affect KCNQ1-KCNE1 currents when co-expressed in CHO cells, but produced larger currents than wild-type KCNE5 when coexpressed with Kv4.3-KChIP2, giving a possible mechanism for Brugada syndrome, i.e., increased ventricular Ito density. (wikipedia.org)
  • risk
  • Critically ill children are at increased risk for bacterial translocation, particularly in the early postnatal age. (hindawi.com)
  • To triangulate the evidence concerning dairy products, we examined the associations of whole cow's milk consumption with cardiovascular risk factors in a non-Western setting with a different pattern of milk consumption and cardiovascular diseases from Western populations. (jove.com)
  • A recent study of hospitalized patients revealed that only a mild increase in serum creatinine levels (0.3 to 0.4 mg/dl) is associated with a 70% greater risk of death than in persons without any increase 1 . (jove.com)
  • This Vaughn-Williams class IC effect increases the risk of conduction disturbance and tachyarrhythmias. (wikipedia.org)
  • oxygen
  • The direct consequence of hypopnea (as well as apnea) is that the CO2 in the blood increases and the oxygen level in the patient's blood decrease is proportionate to the severity of the airway obstruction. (wikipedia.org)
  • However, this closure is still enough to cause a physiological effect i.e., an oxygen desaturation and/or an increase in breathing effort terminating in arousal. (wikipedia.org)
  • Beta blockers cause a decrease in renin secretion, which in turn reduces the heart oxygen demand by lowering extracellular volume and increasing the oxygen-carrying capacity of blood. (wikipedia.org)
  • system
  • Observable or measurable characteristics of CARDIOVASCULAR SYSTEM. (labome.org)
  • For the treatment of primary hypertension, meta-analyses of studies which mostly used atenolol have shown although beta blockers are more effective than placebo in preventing stroke and total cardiovascular events, they are not as effective as diuretics, medications inhibiting the renin-angiotensin system (e.g. (wikipedia.org)
  • Other significant effects include a slowing of cardiovascular system functions, decreased production of red blood cells, balance disorders, eyesight disorders and a weakening of the immune system. (wikipedia.org)
  • biological
  • and -λογία, -logia), environmental physiology or physiological ecology is a biological discipline that studies the adaptation of an organism's physiology to environmental conditions. (wikipedia.org)
  • enzyme
  • These protect them from the damaging effects of ice formation and falling rates of enzyme catalysis at low temperatures, and from enzyme denaturation and increased photorespiration at high temperatures. (wikipedia.org)
  • gene
  • Pleiotropy is the phenomenon where one gene controls for more than one phenotypic trait in an organism. (wikipedia.org)
  • The theme of G.C. William's idea about antagonistic pleiotropy was that if a gene caused both increased reproduction in early life and aging in later life, then senescence would be adaptive in evolution. (wikipedia.org)
  • Patients with Laron syndrome possess one of three genotypes for the growth hormone receptor gene (GHR). (wikipedia.org)
  • In humans it is encoded by the PEMT gene within the Smith-Magenis syndrome region on chromosome 17. (wikipedia.org)
  • dependence
  • This is due to the effect of a phenomenon called reverse use dependence. (wikipedia.org)
  • This co-assembly induces a +140 mV shift in voltage dependence of activation (when co-expressed in CHO cells) which would inhibit KCNQ1 activity across the normal physiological voltage range in most tissues. (wikipedia.org)
  • Hypertension
  • Sustained elevation of IAP is associated with multiple physiologic alterations (Intra-abdominal Hypertension) and may be life threatening when exceeds certain levels (Abdominal Compartment Syndrome). (intechopen.com)
  • According to the consensus document by the World Society of the Abdominal Compartment Syndrome (WSACS), updated on 2013, Intra-abdominal Hypertension is defined by a persistent or repeated elevation of IAP over 12 mmHg [ 3 ]. (intechopen.com)
  • clinical
  • Although clinical evidence suggests the importance of the gastrointestinal tract in the development of sepsis syndrome, bacterial translocation itself may not be the primary cause [ 8 ]. (hindawi.com)
  • This was also the first time the phenomenon was described as clinical syndrome. (wikipedia.org)
  • temperature
  • Purpose: The purpose of this study was to investigate the increases in intraosseous temperature generated by a modern ultrasonic device for bone surgery (UDBS) and the influences of working pressure and cooling irrigation on this temperature. (biomedsearch.com)
  • effects
  • At normal doses, caffeine has variable effects on learning and memory, but it generally improves reaction time, wakefulness, concentration, and motor coordination. (wikipedia.org)
  • permeability
  • This pronounced loss of proteins is due to an increase in glomerular permeability that allows proteins to pass into the urine instead of being retained in the blood. (wikipedia.org)
  • humans
  • In recent years there has been an increase in research on the issue of how humans can survive and work in space for extended and possibly indefinite periods of time. (wikipedia.org)
  • effect
  • Tobacco has the same effect of increasing the craving for alcohol. (wikipedia.org)
  • Under normal physiological conditions, RYR2 mutation has no discernable effect on calcium induced-calcium release from the sarcoplasmic reticulum (SR). Ryr2 is normally activated by increased cytosolic calcium, but under stressful conditions such as increased beta adrenergic activation, RYR2 is activated by luminal calcium in association with increased SR calcium loading. (wikipedia.org)
  • Cocaine-induced platelet activation and thrombus formation is another deleterious effect, caused by alpha-adrenergic- and adenosine diphosphate-mediated increase in platelet aggregation. (wikipedia.org)
  • organ failure
  • The purpose of this paper is, therefore, to discuss bacterial translocation, including its definition and role in causing sepsis syndrome and organ failure in critically ill children. (hindawi.com)
  • A sustained increase of IAP over 20 mmHg associated with a new organ failure is recognized as the Abdominal Compartment Syndrome (ACS). (intechopen.com)
  • running time
  • Moderate doses of caffeine (around 5 mg/kg) can improve sprint performance, cycling and running time trial performance, endurance (i.e., it delays the onset of muscle fatigue and central fatigue), and cycling power output. (wikipedia.org)
  • commonly
  • Actual urinary complaints such as haematuria or oliguria are uncommon, though these are seen commonly in nephritic syndrome. (wikipedia.org)
  • sensitivity
  • As an added measure tongue photography is used to assess papillae density, with higher density often being associated with increased taste sensitivity. (jove.com)
  • A Ryr2 mutation may increase sensitivity to luminal calcium activation, therefore increasing calcium release from the SR under store-overload conditions and thus triggered arrhythmias. (wikipedia.org)
  • The mutation would compromise the stability of the Ryr2's closed state and increase its sensitivity to stimuli like luminal and cytosolic calcium. (wikipedia.org)
  • changes
  • however, physiological changes caused by cocaine withdrawal include vivid and unpleasant dreams, insomnia or hypersomnia, anger, increased appetite and psychomotor retardation or agitation. (wikipedia.org)
  • studies
  • Our results suggest that beatquency and machine learning provide valuable tools in physiological studies of HRV. (harvard.edu)
  • In one of these studies, 99 individuals with Laron syndrome (a rare form of dwarfism) were monitored alongside their non-dwarf kin for a period of ten years. (wikipedia.org)
  • However
  • However, a number of physiological and technical issues can affect the accuracy of the results and appropriate guidelines for the technique have been published. (jove.com)
  • mechanism
  • In a recent article, Carter and Nguyen identify several genetic disorders, arguing that far from being a rare phenomenon, antagonistic pleiotropy might be a fundamental mechanism for the survival of these non-optimal alleles. (wikipedia.org)
  • Regardless of the trigger, the mechanism of syncope is similar in the various vasovagal syncope syndromes. (wikipedia.org)
  • patients
  • A simple, validated protocol consisting of a battery of tests is available to identify elderly patients with frailty syndrome. (jove.com)
  • headaches
  • This disruptive pattern of breathing generates disruptive sleep patterns, the consequences of which being that those individuals may exhibit increased fatigability, lethargy, decreased ability to concentrate, increased irritability, and morning headaches. (wikipedia.org)
  • present
  • It may also be used to treat bromhidrosis, although this usually responds to non-surgical treatments, and sometimes people with olfactory reference syndrome present to surgeons requesting sympathectomy. (wikipedia.org)
  • density
  • Furthermore, PC made via PEMT plays a wide range of physiological roles, utilized in choline synthesis, hepatocyte membrane structure, bile secretion, and very-low-density lipoprotein (VLDL) secretion. (wikipedia.org)