Sentences with phrase «heart volume of blood»

With every heartbeat, about 20 - 25 % of your dog or cat's heart volume of blood is sent to the pet's kidneys for cleansing, fluid regulation and blood ion adjustments.

Not exact matches

The tiny sensors, which consist of infrared light - emitting diodes (LEDs) coupled with a sensitive light detector, measure infinitesimal gradations in light in human tissue, due to changing blood volume in the microvasculature as blood circulates through the body — a process that follows in rhythm with the beating of the heart.

Its algorithm, «DeepVentricle,» performs in 30 seconds a task doctors typically do by hand — drawing the contours of ventricles from multiple MRI scans of the heart muscle in motion, in order to calculate the volume of blood passing through.

The standard test for risk assessment in relation to life - threatening cardiac rhythm disturbances is currently the left ventricular ejection fraction, which represents a measure of the heart's function and measures the volume of the beat in relation to the overall volume of blood in the ventricle.

Tubes carrying oxygenated blood plug into the lamb's umbilical cord, and the beating of the fetus's heart pumps the blood at volumes and pressure comparable to what is normally delivered by the placenta.

«Our results demonstrate that aortic arch pulse wave velocity is a highly significant independent predictor of subsequent white matter hyperintensity volume and provides a distinct contribution — along with systolic blood pressure, hypertension treatment, congestive heart failure and age — in predicting risk for cerebrovascular disease,» Dr. King said.

«A sustained increased heart rate of over 100 beats per minute could mean there is not enough time for the heart to fill properly, leading to a fall in the volume of blood being pumped,» says Ann Robinson, a London - based general - practice doctor.

In large animal models of heart failure, the researchers found that gene therapy delivery of high dose SUMO - 1 alone, as well as SUMO - 1 and SERCA2 together, result in stronger heart contractions, better blood flow, and reduced heart volumes, compared to just SERCA2 gene therapy alone.

Three recent experimental studies focused on low consumption / exposure.949596 In one study, 29 smokers each consumed a single cigarette, immediately after which they had a significant decrease in blood vessel output power and significant increase in blood vessel ageing level and remaining blood volume 25 minutes later, as markers of atherosclerosis.94 In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.96

The heart rate and blood volume being pumped increases, nourishing the cells of the body with nutrients carried by the blood.

Dr. Rhonda Patrick discusses how conditioning the body to heat stress through sauna use, called «hyperthermic conditioning» causes adaptations that increase athletic endurance (by increasing plasma volume and blood flow to heart and muscles) and muscle mass (by boosting levels of heat shock proteins and growth hormone).

Regular exercise lowers cholesterol, increases heart muscle strength (which improves the volume of blood it can move), improves blood supply (thereby oxygen to the heart), reduces blood pressure, inhibits blood clots, minimizes damage due to stress, and reduces overall body fat.

Stroke volume is the amount of blood the heart can eject with each heartbeat.

We know that exercise increases the heart's stroke volume, the volume of blood delivered with each beat.

heart rate increase, if excessive, lead to reduce volume output from the heart as there is less time to fill the heart chambers full of blood between each beat.

The depletion of blood volume due to low sodium causes a phenomenon known as «total peripheral resistance» meaning the arteries become more constricted and the heart needs to pump harder.

● Concentric Hypertrophy of the Heart — Limits blood volume.

When blood volume is high and arteries lose their elasticity, your heart works harder to move your blood through your circulation so it can reach all of your organs.

For every liter of fluid lost during prolonged exercise, body temperature rises by 0.3 °C, heart rate elevates by about eight beats per minute, and cardiac output (the volume of blood pumped by the heart per minute) declines by 1 liter / min.

Individuals of the same age will have different sized hearts, stroke volume, blood pressure, resting heart rates, and other factors that would contribute to the maximum possible beats per minute.

Having turned the volume up to 11, however, that leaves more than 100 minutes to be filled with something, and so Robert Rodriguez and company have elected to do more of the same, stringing together bite - sized exploitation stand - bys — beheadings, gushing blood, machine - gun brassieres, beheadings, martial arts performed by clones, a ticking bomb sewn to a human heart, beheadings, angry prostitutes, an undercover beauty queen, beheadings, Mexican jokes, Charlie Sheen as the U.S. President, Mel Gibson as a brilliant tech villain who claims he can see the future, and more beheadings — and pretending that the plot matters one iota.

Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram

The title, Blood River, speaks volumes for the history of the region that Butcher describes as «Africa's broken heart».

This results in a reduced volume within the ventricles (major chambers of the heart), so reducing the volume of blood that the heart can pump with each contraction.

If pressures on the left side of the heart become significantly high as a result of increased blood volume, left - sided congestive heart failure or pulmonary edema (fluid within the lungs) can result.

Stroke volume is defined as the amount of blood ejected from the left ventricle during systole and is a product of preload (the amount of blood entering the heart), afterload (the amount of resistance in the vasculature to the flow of blood from the heart), and contractility (the heart's ability to contract).

In AFib, the upper chambers of the heart — the atria — do not contract, which results in a decrease in blood volume pumped from the heart to the rest of the body.

A dog's blood pressure relates to the volume of blood pumped out of its heart and the degree of resistance, or elasticity, of its blood vessels.

Systemic arterial blood pressure is created by the pumping action of the heart, circulating arterial blood volume, and smooth muscle tone of blood vessel walls.

But what is worse is that the right side of the heart and pulmonary artery (pulmonary trunk) were not designed to handle the high - pressure blood arriving through the PDA from the infant's aorta, nor was the left side of the heart designed to accept the larger - than - normal volume of blood now coming back from the lungs.

The veterinarian will probably recommend regular monitoring of the patient's heart rate, blood pressure, pulse quality, respiratory rate, capillary refill time, pulse quality, packed cell volume (PCV), blood urea nitrogen (BUN) and serum creatinine levels.

Diseases that primarily affect the left side of the heart (e.g. degenerative valve disease, hypertrophic cardiomyopathy, dilated cardiomyopathy, patent ductus arteriosus) may, depending on severity, result in poor forward flow of blood into the systemic circulation and subsequently may lead to a build - up of blood volume and / or pressure within the left atrium, which may expand and enlarge over time to compensate.

In a similar fashion to the changes to the left atrium with certain left - sided heart diseases, diseases that primarily affect the right side of the heart (e.g. primary pulmonary hypertension, heartworm disease, tricuspid valve dysplasia, pulmonic stenosis) may reduce forward flow of blood into the pulmonary circulation and, again depending on severity, may lead to a build - up of volume and / or pressure within the right atrium which will also try to enlarge to compensate.

For example, if a X-ray showed a patient's heart to be enlarged, an ultrasound can provide the doctor with detailed images of the heart's structure (valves, chamber size and wall thickness, etc.) as well as images of the heart as it functions (blood flow — direction and volume).

As the valve degenerates, blood can flow backwards through the valve, resulting in volume overload on the heart, and a decrease in blood flow out of the heart into the body.

These hormones conserve fluid in an effort to increase blood volume and the output of blood and oxygen by the heart.

ACT - activated clotting time (bleeding disorders) ACTH - adrenocorticotropic hormone (adrenal gland function) Ag - antigen test for proteins specific to a disease causing organism or virus Alb - albumin (liver, kidney and intestinal disorders) Alk - Phos, ALP alkaline phosphatase (liver and adrenal disorders) Allergy Testing intradermal or blood antibody test for allergen hypersensitivity ALT - alanine aminotransferase (liver disorder) Amyl - amylase enzyme — non specific (pancreatitis) ANA - antinuclear antibody (systemic lupus erythematosus) Anaplasmosis Anaplasma spp. (tick - borne rickettsial disease) APTT - activated partial thromboplastin time (blood clotting ability) AST - aspartate aminotransferase (muscle and liver disorders) Band band cell — type of white blood cell Baso basophil — type of white blood cell Bile Acids digestive acids produced in the liver and stored in the gall bladder (liver function) Bili bilirubin (bile pigment responsible for jaundice from liver disease or RBC destruction) BP - blood pressure measurement BUN - blood urea nitrogen (kidney and liver function) Bx biopsy C & S aerobic / anaerobic bacterial culture and antibiotic sensitivity test (infection, drug selection) Ca +2 calcium ion — unbound calcium (parathyroid gland function) CBC - complete blood count (all circulating cells) Chol cholesterol (liver, thyroid disorders) CK, CPK creatine [phospho] kinase (muscle disease, heart disease) Cl - chloride ion — unbound chloride (hydration, blood pH) CO2 - carbon dioxide (blood pH) Contrast Radiograph x-ray image using injected radiopaque contrast media Cortisol hormone produced by the adrenal glands (adrenal gland function) Coomb's anti- red blood cell antibody test (immune - mediated hemolytic anemia) Crea creatinine (kidney function) CRT - capillary refill time (blood pressure, tissue perfusion) DTM - dermatophyte test medium (ringworm — dermatophytosis) EEG - electroencephalogram (brain function, epilepsy) Ehrlichia Ehrlichia spp. (tick - borne rickettsial disease) EKG, ECG - electrok [c] ardiogram (electrical heart activity, heart arryhthmia) Eos eosinophil — type of white blood cell Fecal, flotation, direct intestinal parasite exam FeLV Feline Leukemia Virus test FIA Feline Infectious Anemia: aka Feline Hemotrophic Mycoplasma, Haemobartonella felis test FIV Feline Immunodeficiency Virus test Fluorescein Stain fluorescein stain uptake of cornea (corneal ulceration) fT4, fT4ed, freeT4ed thyroxine hormone unbound by protein measured by equilibrium dialysis (thyroid function) GGT gamma - glutamyltranferase (liver disorders) Glob globulin (liver, immune system) Glu blood or urine glucose (diabetes mellitus) Gran granulocytes — subgroup of white blood cells Hb, Hgb hemoglobin — iron rich protein bound to red blood cells that carries oxygen (anemia, red cell mass) HCO3 - bicarbonate ion (blood pH) HCT, PCV, MHCT hematocrit, packed - cell volume, microhematocrit (hemoconcentration, dehydration, anemia) K + potassium ion — unbound potassium (kidney disorders, adrenal gland disorders) Lipa lipase enzyme — non specific (pancreatitis) LYME Borrelia spp. (tick - borne rickettsial disease) Lymph lymphocyte — type of white blood cell MCHC mean corpuscular hemoglobin concentration (anemia, iron deficiency) MCV mean corpuscular volume — average red cell size (anemia, iron deficiency) Mg +2 magnesium ion — unbound magnesium (diabetes, parathyroid function, malnutrition) MHCT, HCT, PCV microhematocrit, hematocrit, packed - cell volume (hemoconcentration, dehydration, anemia) MIC minimum inhibitory concentration — part of the C&S that determines antimicrobial selection Mono monocyte — type of white blood cell MRI magnetic resonance imaging (advanced tissue imaging) Na + sodium ion — unbound sodium (dehydration, adrenal gland disease) nRBC nucleated red blood cell — immature red blood cell (bone marrow damage, lead toxicity) PCV, HCT, MHCT packed - cell volume, hematocrit, microhematocrit (hemoconcentration, dehydration, anemia) PE physical examination pH urine pH (urinary tract infection, urolithiasis) Phos phosphorus (kidney disorders, ketoacidosis, parathyroid function) PLI pancreatic lipase immunoreactivity (pancreatitis) PLT platelet — cells involved in clotting (bleeding disorders) PT prothrombin time (bleeding disorders) PTH parathyroid hormone, parathormone (parathyroid function) Radiograph x-ray image RBC red blood cell count (anemia) REL Rocky Mountain Spotted Fever / Ehrlichia / Lyme combination test Retic reticulocyte — immature red blood cell (regenerative vs. non-regenerative anemia) RMSF Rocky Mountain Spotted Fever SAP serum alkaline phosphatase (liver disorders) Schirmer Tear Test tear production test (keratoconjunctivitis sicca — dry eye,) Seg segmented neutrophil — type of white blood cell USG Urine specific gravity (urine concentration, kidney function) spec cPL specific canine pancreatic lipase (pancreatitis)-- replaces the PLI test spec fPL specific feline pancreatic lipase (pancreatitis)-- replaces the PLI test T4 thyroxine hormone — total (thyroid gland function) TLI trypsin - like immunoreactivity (exocrine pancreatic insufficiency) TP total protein (hydration, liver disorders) TPR temperature / pulse / respirations (physical exam vital signs) Trig triglycerides (fat metabolism, liver disorders) TSH thyroid stimulating hormone (thyroid gland function) UA urinalysis (kidney function, urinary tract infection, diabetes) Urine Cortisol - Crea Ratio urine cortisol - creatine ratio (screening test for adrenal gland disease) Urine Protein - Crea Ratio urine protein - creatinine ratio (kidney disorders) VWF VonWillebrands factor (bleeding disorder) WBC white blood cell count (infection, inflammation, bone marrow suppression)

Since the amount of blood pumped by the heart per minute (cardiac output) is the product of the amount of blood ejected per contraction (stroke volume) and the heart rate in beats per minute, this decreased chamber volume (and subsequent stroke volume) results in an increased heart rate (tachycardia) as a reflex mechanism to maintain cardiac output and blood pressure.

Expect to see everything from wrist - worn blood - pressure trackers to AirPod-esque earbuds jam - packed with features, including heart - rate sensors and beamforming technology to change the volume levels of people around you.

Really, it's an optical heart rate monitor that sits on the underside of the watch and reflects a pair of green LEDs off of your skin to calculate changes in blood volume.