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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

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Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
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Serum Studies: Renal Function Tests01:24

Serum Studies: Renal Function Tests

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Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.
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Uterine Tubes01:16

Uterine Tubes

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The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
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Tumor Progression02:07

Tumor Progression

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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
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Endotracheal Tube Extubation01:24

Endotracheal Tube Extubation

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Endotracheal tube extubation is a critical procedure in weaning patients from mechanical ventilation. It involves physically removing the oral or nasal endotracheal (ET) tube, marking the final step in liberating a patient from ventilatory support.
Procedure
Extubation removes the endotracheal tube (ETT) from the patient on mechanical ventilation. It requires a well-coordinated, multidisciplinary approach involving physicians, nurses, respiratory therapists, and other healthcare professionals....
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Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

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A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...
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Computerized Adaptive Testing System of Functional Assessment of Stroke
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[Progress in the tests of eustachian tube function].

B Chen, X Gao

    Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Journal of Clinical Otorhinolaryngology Head and Neck Surgery
    |May 26, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Eustachian tube dysfunction (ETD) affects middle ear health by impairing pressure equalization and fluid drainage. This review examines diagnostic tests for assessing Eustachian tube function to manage related ear diseases.

    Keywords:
    diagnossiseustachian tube dysfunctioneustachian tube functionpatulous eustachian tube

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    Area of Science:

    • Otolaryngology
    • Auditory Science

    Background:

    • The Eustachian tube connects the middle ear to the nasopharynx, crucial for auditory health.
    • It regulates middle ear pressure, clears fluid, and protects against pathogens.
    • Dysfunction can lead to atelectasis, otitis media with effusion, and retraction pockets.

    Purpose of the Study:

    • To review and discuss the application of various diagnostic tests for Eustachian tube function.
    • To highlight the importance of accurate Eustachian tube assessment in diagnosing middle ear diseases.

    Main Methods:

    • Literature review of diagnostic tests for Eustachian tube function.
    • Discussion of the application and development of these tests over recent decades.

    Main Results:

    • Multiple tests have been developed to assess Eustachian tube function.
    • Accurate assessment is vital for diagnosing Eustachian tube dysfunction (ETD).

    Conclusions:

    • Eustachian tube function tests are essential for diagnosing ETD.
    • Understanding these tests aids in managing common middle ear pathologies linked to ETD.