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Preoperative fasting is the practice of a surgical patient abstaining from eating or drinking ("nothing by mouth") for some time before having an operation.This is intended to prevent stomach contents from getting into the windpipe and lungs (known as a pulmonary aspiration) while the patient is under general anesthesia. [1]
Focused assessment with sonography in trauma (commonly abbreviated as FAST) is a rapid bedside ultrasound examination performed by surgeons, emergency physicians, and paramedics as a screening test for blood around the heart (pericardial effusion) or abdominal organs (hemoperitoneum) after trauma.
Through the abdominal wall, organs inside the pelvis can be seen, such as the urinary bladder or the ovaries and uterus in women. Because water is an excellent conductor for ultrasound waves, visualizing these structures often requires a well-filled urinary bladder (this means the patients has to drink plenty of water before the examination).
Why do we fast before tests or surgeries? Fasting is most important before any surgery that requires anesthesia, such as joint replacements, heart surgeries, and more. If you have food or liquid ...
Intermittent fasting has many benefits, including weight loss and reducing the risk of cancer, but it’s not for everyone. Learn more about the side effects. Every Intermittent Fasting Beginner ...
The practice comes with benefits and drawbacks.
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Side effects of intermittent fasting can include low energy, mood swings, and dizziness—all of which stem from low blood sugar. If you do start feeling any of these side effects, consider it a ...