I'm pretty sure the plastic part doesn't go into your skin ever...only the needle part does. Call a doctor
Upper left arm. This puts it as close to your heart as possible.
This is a relatively simple procedure. In the middle of the arm - (on the top side) simply turn the plastic center piece (about 1 1/2 inch diameter) counter clockwise. With this piece unscrewed, the arm is easily lifted off.
The left arm.
Heart conditions can refer pain to the left arm, and many abdominal viscera can refer pain to the RIGHT shoulder/upper arm. However, I am not aware of any pain referral patterns from the low back or abdominal viscera to the left arm. Nor am I aware of any left arm conditions that can refer to the low back. However, that does not mean that it is not possible!!
I belive there is a sensor on the top of of the gas pedal. Up the arm there is a piece of plastic when the gas pedal is placed to the floor the sensor hits this plastic piece and must top out there ,But remove that plastic stopper i think there is a hole that the sensor will go through without touching. Try this it might help .
Your left arm.
Left arm.
These are possible symptoms of very serious conditions including a stroke. See a doctor immediately.
There is a round piece of soft plastic that sits on the inside of the hardware that controls the brake pedal arm. A white piece directly across from this piece apparently activates or deactivates the brake lights. This blue piece of plastic pushes in that white piece enough to make the brake lights go off. This blue piece has broken down over time. Now, if I can just find a replacement part...
No! Fergie's left arm is not a prosthetic.
Yes it is possible that there are some int this world.
Possible broken a-arm, or bent wheel.