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2. Chest tube - Wikipedia

   en.wikipedia.org/wiki/Chest_tube

   Size of chest tube: Adult male = 28–32 Fr ... For adults, 20 Fr to 40 Fr (6.7 to 13.3mm external diameter) are commonly used, and 6 Fr to 26 Fr for children ...

3. French catheter scale - Wikipedia

   en.wikipedia.org/wiki/French_catheter_scale

   The French size is a measure of the outer diameter of a catheter (not internal drainage channel, or inner diameter). So, for example, if a two-way catheter of 20 Fr is compared to a 20 Fr three-way catheter, they both have the same external diameter but the two-way catheter will have a larger drainage channel than the three-way.

4. AN thread - Wikipedia

   en.wikipedia.org/wiki/AN_thread

   Therefore, a -8 AN size would be equal to 1 ⁄ 2-inch OD tube. However, this system does not specify the ID (inside diameter) of the tubing because the tube wall can vary in thickness. Each AN size also uses its own standard thread size. AN fittings are a flare fitting, using 37° flared tubing to form a metal-to-metal seal.

5. Tracheal tube - Wikipedia

   en.wikipedia.org/wiki/Tracheal_tube

   An endotracheal tube is a specific type of tracheal tube that is nearly always inserted through the mouth (orotracheal) or nose (nasotracheal). A tracheostomy tube is another type of tracheal tube; this 50–75-millimetre-long (2.0–3.0 in) curved metal or plastic tube may be inserted into a tracheostomy stoma (following a tracheotomy ) to ...

6. From passwords to medical records,10 things to never say to ...

   www.aol.com/passwords-medical-records-10-things...

   For her daily tips, free newsletters and more, visit her website. This article originally appeared on USA TODAY: 10 things you should never tell an AI chatbot. Show comments. Advertisement.

7. Northern lights forecast: Auroras may be visible across US on ...

   www.aol.com/northern-lights-forecast-auroras-may...

   A G1 (Minor) watch has been issued for 28 Nov and a G2 (Moderate) watch was issued for 29 Nov due to the arrival of a CME associated with a filament eruption that took off the Sun late on 25 Nov ...

8. His wives kept dying mysteriously. His secret poison: Insulin

   www.aol.com/news/wives-kept-dying-mysteriously...

   Police believed William Dale Archerd killed three of his wives, two men, and his 15-year-old nephew. From left, top, are William Edward Jones Jr., Zella Winders Archerd and Juanita Plum Archerd.

9. Laryngeal tube - Wikipedia

   en.wikipedia.org/wiki/Laryngeal_tube

   The re-usable models can be autoclaved up to 50 times, while the modified laryngeal tube (Suction) incorporates an extra lumen for inserting a gastric tube or suction system. There are six sizes of the laryngeal tube, ranging from newborn (size 0) to large adult (size 5). The connector of the tube is color-coded for each size.