
What Causes Pain In Between Middle Knuckle And Left Index Finger?

Nerves and/or vessels compressed under the collarbone.
Detailed Answer:
Hello and thanks for using HCM.
I have read your query and understand your concerns.
Symptoms you describe first can be related to a condition called thoracic outlet syndrome ( a mild variant of it ), a condition where nerves and/or vessels that supply arm and fingers are compressed.
This condition can be caused by physical trauma at collarbone region, repetitive injuries during work, exercise etc. anatomical variations such cervical extra rib.
Second possible explanation of your symptoms is subclavius muscle syndrome, a condition where the muscle under the collarbone for different reasons compresses nerves and vessels of the arm.
This condition could mimic symptoms of thoracic outlet syndrome and is caused mostly by lifting weights, sleeping in certain positions, working with arms in front of you.
These activities could cause periodic spasms of the muscle causing your symptoms.
The correct diagnosis should be achieved by a clinical examination by your Doctor and tests such nerve conduction study of the affected arm and MRI of the collarbone region.
Hope you found the answer helpful.
Take care.


I mean it not in.
Very unlikely to be related to heart conditions.
Detailed Answer:
Welcome back.
I don't think your concerns are related to any heart conditions.
Well confined pain is a characteristic of nerves involvement ( in your case C6 nerve root ).
Hope this helps. Best regards.

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