22 gauge needle

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what hurts worse? lower or higher gauge needle?

Lower gauge

Discomfort
Lower gauge (lower number) needles are wider so generally these will cause more discomfort.
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Dr. Jesse N. Mills answered:

What is the best gauge/length of needle to use for administering Trimix ?

30

Syringe
A tuberculine syringe works well. 1 cc syringe and 27 to 30 gauge needle.
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Dr. Barry T. Kahn answered:

Dr used 18 gauge core needle u/s guided biopsy for 5 mm breast lesion. 4 samples were obtained. What does that mean?

Breast biopsy

Wounds
The "18 gauge" refers to the diameter of the core biopsy obtained (a lower number is a thicker biopsy). The "4" refers to the number of tissue samples obtained of the 5 mm. lesion that was presumably identified by imaging. Assuming the pathology results correlate with the imaging findings, you and your care providers should feel comfortable that they are addressing the lesion appropriately.
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Dr used 18 gauge needle for breast core biopsy because lesion was small(4x7mm). Results were benign. Does this make sense?

Sure,,

Wounds
This just means you've had a breast biopsy that yielded benign tissue from this lesion indicating that it is of a benign type of lesion. You can discuss with your doctor what you want to do next, like take it out depending on where in your breast it's located. Best if luck.
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Dr. ROBERT Uyeda answered:

Are 4 samples using an 18 gauge core needle for 4mm breast lesion sufficient? Came back benign breast tissue with lactational change. Concordant.

Yes, if it

Tissue
was performed by a properly trained specialist. It sounds like you had one, if you had 4 samples for a 4 mm lesion.
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Blood in stool.I'm 22 years old.I noticed red blood in stool for 2 days 2 years ago but it disappeared.Now happened againPainful like needle in anal!

Have it checked

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You are very young so the possibility of cancer is low. Nonetheless, blood in the stool is never normal so I suggest you visit your family doc and see if he thinks a GI visit is necessary. Hopefully is nothing more than a hemorrhoid or a fissure.
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Does IV needle hurt?

a little

Lidocaine
An iv needle insertion can cause a bit of discomfort. This can be masked by preinjection of lidocaine, or by the application of cold. Once in, the iv needle usually does not hurt.
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Dr. Daniel Lee answered:

HIV from a needle-prick?

Possible, depends...

Human_immunodeficiency_virus
It is possible to get HIV-infected from a needle prick (used by HIV+ person). However, depends on the needle bore size. If it is a thicker needle, you are at higher risk as there is more blood present in the needle than a thinner needle. It also depends on how soon after the blood was drawn that the needle prick occurred. If the blood is entirely dry on the needle, the risk is extremely low.
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How to overcome needle phobia?

Needle phobia

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Ask a friend who you trust to help you gradually approach a needle. Look at the needle with your friend, handle the needle then put it down and participate in a pleasureable activity. Each day increase your exposure to the needle and eventually you may feel less ill at ease. The technique involves gradual safe exposure with the support of a friend. Don't be afraid to tell your doctor of your fear.
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Dr. Aaron Milstone answered:

Does lung needle biopsy hurt?

Not if done right

Lungs
Lungs have very few nerve endings within the lung. If done by a skilled doctor biopsy thru the skin (ie guide by a scanner) can cause pressure and a feeling of fullness but minimal pain. The level of discomfort relates to how accessible the nodule or mass is for the biopsy needle
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