Going To Sleep Is Free, But

YouTube: Site-Rite Instructional Video

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The AHRQ published Making Health Care Safer: A Critical Analysis of Patient Safety Practices in 2001. Chapter 21 deals with Ultrasound Guidance of Central Vein Catheterization. I thought I'd include a link to a YouTube video that shows how this device is used:

Although the device has advance considerably since then (see below), the images it provides are still pretty much the same.

I will often use the device to locate and mark an internal jugular vein before draping the patient as I find the use of the needle guide extremely cumbersome.

[Site-Rite]

More LifeHacker Google School Tips

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• Access websites from behind a proxy
• Find toll-free numbers
• Subtract words from your search
• Search web page titles
• Filter adult content with safesearch
• Lookup phone numbers
• Compare prices near you
• Map area codes

[via LifeHacker]

Tight Brain Checklist

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The anesthetist can have a significant impact on the operating conditions a neurosurgeon has to work with. One example is a situation where the surgeon (or anesthetist) notices the brain no longer appears relaxed but begins to get 'tight' within the craniotomy window. Rather that a knee-jerk response of further hyperventilating the patient and/or giving Mannitol, it is prudent to first consider possible causes as follows:

1. Are the pressures controlled?
2. Is the metabolic rate controlled?
3. Are vasodilators in use?
4. Are there any unexpected mass lesions?

Are the pressures controlled?

• Arterial Pressure
• pCO2
• pO2 (remember that hypoxemia is a potent stimulus for cerebral vasodilation
• Intrathoracic pressure
• Airway pressure
• Jugular venous pressure (includes external venous compression by C-spine collar or twill used to secure endotracheal tube)

Is the metabolic rate controlled?

• Pain
• Light anesthesia
• Awareness
• Seizures

Are vasodilators in use?

• Potent agents (Isoflurane, Desflurane, Sevoflurane, Enflurane)
• Nitroprusside
• Nitroglycerine

Are there any unexpected mass lesions?

• Pre-existing pneumocephalus exacerbated by nitrous oxide
• Cerebral hemorrhage remote to the site of surgery

As taught to me by John Drummond, M.D. at UCSD

Pandora's Box Of Music

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It looks to me like this would solve the OR's music problems. Staff could pre-program their favorite station and just log in from an operating room computer...as long as that wouldn't interfere with online shopping...

How much caffeine does that drink have?

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I've written before about caffeine addiction in surgical patients. In recent years there's been an explosion of caffeine-containing beverages. Having some idea of the caffeine content of the major ones can help you choose an appropriate dose.

The Energy Fiend web site has a nice Caffeine Database. I found it via a recent NYT article.

How To: Awake Fiberoptic Intubation

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This definitely falls in the "don't try this at home" category, but if this technique is different than the one you use, give it a try. It will surely result in a net gain in style points.

How To Do An Awake Fiberoptic Intubation

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More on pre-emptive positioning

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A fellow anesthesiologist wrote a reply to my post about pre-emptive positioning with the following:

I'm not ready to try this yet (do you want to be my first patient?). Lateral or semi-sitting to supine is a matter of seconds. Prone to supine would take significantly longer I believe. Other experiences?

You Anesthesiologist Today Was...

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I finally ordered my own business cards. I've had generic one available but always had to write in my own name (despite being with the group for well over two years) so decided it was time for an upgrade.

Picking the pattern was tough, but I decided on a tranquil image (that happens to be one of the MacOS X desktop images):

Rejected images included a dark tunnel with a light at the end, and anything with pearly gates.

This decision was evidence based (of course). Giving patients a business card before anesthesia increases their recall of your name to about 50% rather than the 10% that remember it without. It should also help them see they are being cared for by a physician. There's room on the back for 'anesthetic' and 'comments', too.

Pre-emptive Patient Positioning

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Many surgeries require the patient to be in a position other than supine (flat on their back) for the surgery to be done. Shoulder surgery, for example, is often done with the patient in a semi-sitting or 'beach chair' position. Certain hip surgeries are done with patients on their side as well. General anesthesia is induced with the patient supine, then people have to move the patient (who is now akin to a very heavy sack of potatoes) into the right position. It's time consuming, risks staff injury, and jeopardizes the airway. The few accidental extubations I've had have occurred when the patient was being moved. Does it have to be this way? If the case is amenable to an LMA, I think the answer is 'no.'

If I'm caring for a patient who will require a general anesthetic and an LMA would be suitable, I've taken to positioning the patient before induction of anesthesia. I then pre-oxygenate, perform an IV induction, and place the LMA. The OR staff and surgeons like it because a) it saves time and b) it saves their backs. I like it because there's no move during which my airway can potentially be compromised (and because it saves time and saves my back). There's a benefit to the patient, too. Namely, they can tell us while awake whether our positioning is comfortable for them. Is the axillary role in the right place? Do they need a pillow under their knees in? Is their bottom up against the back of the table in beach chair? Is their ear properly padded in the lateral position? Think Different (but always, Think Safe).

When can nursing mothers resume breastfeeding after surgery?

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When can nursing mothers resume breastfeeding after surgery?:

Studies are under way by the same group for other commonly used drugs. My advice to nursing patients is to pump and discard once, then resume normal breast feeding.