A pain in the upper left arm

母が数日前から左上腕が痛いと言っています。痛みはなかなか収まらないようで、心配です。

今日も辛そうだったので、今日は授業がないので、自宅で仕事をすることにしました。

旦那にもこのことを伝えたところ、どうやらアメリカのテレビドラマ？で左上腕が痛い＝心臓発作、みたいなステレオタイプがあるみたいなことを言われて、焦りました。

なので、慌ててChatGPT 4oで聞いてみたところ、

Upper left arm pain can be caused by several different factors, ranging
from muscle issues to more serious health concerns. Here are some
common causes:

Muscle Strain or Injury: Overuse, heavy lifting, or sudden movements can
strain muscles or tendons in the arm, leading to pain. This is often
associated with activity or exercise.

Tendonitis: Inflammation of the tendons in the shoulder or upper arm can
cause pain, often worsened by certain movements.

Nerve Impingement: Pressure on nerves in the neck or shoulder (such as a
pinched nerve) can cause radiating pain down the arm.

Frozen Shoulder: A condition where the shoulder joint becomes stiff and
painful, making it difficult to move the arm properly.

Heart-related Issues: Pain in the upper left arm, especially if accompanied by
chest pain, shortness of breath, or dizziness, could indicate a heart attack or angina. This is a medical emergency and should be checked immediately.

Brachial Plexus Injury: Damage to the brachial plexus, a network of
nerves controlling the arm, can cause pain, weakness, or numbness in the arm.


Poor Posture: Chronic poor posture can lead to muscle tension in the
neck, shoulders, and upper arms, resulting in pain.

Referred Pain: Sometimes, pain from other areas, such as the neck or
spine,
can be felt in the upper arm.

If the pain is persistent, severe, or associated with other symptoms (like chest pain or numbness), it's important to seek medical attention to rule out serious conditions.

という回答がありました。胸の痛みとか息切れは内容なので、心臓発作ではないと信じることにします。