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Stack #4611141
| Question | Answer |
|---|---|
| Temperature | he degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch. |
| Hyperthermia | an abnormally high core body temperature (above 98.6°F or 37°C) caused by the body generating or absorbing more heat than it can dissipate |
| Hypothermia | a dangerous drop in core body temperature below 95°F (35°C) |
| Thermometer | n instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol that expands and contracts in the tube with heat |
| Heart Rate | Heart rate is how many times your heart beats per minute (bpm); a normal resting rate for adults is 60-100 bpm |
| Beats per minute | measures the speed or tempo of music, indicating how many beats occur in one minute |
| Pulse | the rhythmic expansion and contraction of arteries as blood flows from the heart |
| Tachycardia | a fast heart rate, typically over 100 beats per minute at rest |
| Bradycardia | slow heart rate, generally under 60 beats per minute (bpm) for adults, caused by issues with the heart's electrical system, aging, heart disease, or medications, but it can also be normal for athletes or during sleep |
| Radial Artery | a major artery in the forearm, originating from the brachial artery at the elbow, running down the thumb side (lateral aspect) to the wrist |
| Carotid Artery | major blood vessels in the neck, supplying oxygen-rich blood to the brain, face, and neck, splitting into internal (brain) and external (face/neck) branches |
| Respiratory Rate | Respiratory rate is the number of breaths per minute, a key vital sign, with 12–20 breaths/min considered normal for resting adults |
| Breaths per minute | number of breaths you take in 60 seconds, a key vital sign, with a normal adult resting rate typically 12 to 20 breaths per minute |
| Inspiration | the active process of breathing air into the lungs, driven by the contraction of the diaphragm and intercostal muscles, increasing chest volume and creating negative pressure that pulls air in |
| Expiration | the act of breathing out air from the lungs |
| Blood Oxygen Saturation / Pulse Ox | mall, non-invasive device that clips onto a finger, using light to measure your blood oxygen saturation (SpO2) and heart rate by analyzing oxygenated versus deoxygenated red blood cells, with normal readings usually 95-100%, though levels below 90-92% oft |
| Pulse Oximeter | a small, clip-on device that non-invasively estimates your blood oxygen level (SpO2) and pulse rate by shining light through a fingertip, measuring how much light is absorbed by oxygenated blood |
| Oxygen | is a vital, colorless, odorless, reactive nonmetal element, essential for respiration in most living things |
| Carbon Dioxide | a naturally occurring, odorless gas vital for life as the basis for photosynthesis |
| Hemoglobin | the iron-rich protein in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide, powering metabolism and energy |
| Erythrocytes | red blood cell that (in humans) is typically a biconcave disc without a nucleus. Erythrocytes contain the pigment hemoglobin, which imparts the red color to blood, and transport oxygen and carbon dioxide to and from the tissues |
| Blood Pressure | Blood pressure measures the force of blood against artery walls, with two numbers: systolic (heart beats) and diastolic (heart rests). Normal is <120/80 mmHg; high (hypertension) is ≥130/80 mmHg |
| Sphygmomanometer | an instrument for measuring blood pressure, typically consisting of an inflatable rubber cuff which is applied to the arm and connected to a column of mercury next to a graduated scale, enabling the determination of systolic and diastolic blood pressure b |
| Systole / Systolic | Systole is the heart's contraction phase, pushing blood out; systolic blood pressure is the peak pressure in arteries during this beat |
| Diastole / Diastolic | Diastolic dysfunction may occur when your ventricles are stiff and don't relax properly |
| mmHg | millimeters of mercury, is a common unit for measuring pressure, especially blood pressure |
| Korotkoff Sounds | tapping, swishing, and muffled noises heard with a stethoscope during manual blood pressure measurement |
| Brachial Artery | the main artery in the upper arm, supplying oxygen-rich blood to the arm, forearm, and hand |
| Hypertension | your blood consistently pushes too forcefully against artery walls |
| Hypotension | Hypotension, or low blood pressure (below 90/60 mmHg), occurs when blood flow to the brain and organs is insufficient |
| Stethoscope | a medical instrument for listening to the action of someone's heart or breathing, typically having a small disk-shaped resonator that is placed against the chest, and two tubes connected to earpieces. |
| Electrocardiogram | a quick, painless test that records the heart's electrical signals to check its rate, rhythm, and overall health |
| Body Mass Index (BMI) | a screening tool using height and weight to estimate body fat |
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