My grandfather woke up with this swollen red cord like vein on his arm. It is tender and warm but the urgent care is closed until tomorrow. Should we go to the ER?

Waking up to discover a new, unusual symptom can be a source of great concern, especially when it involves a loved one. In this case, your grandfather has woken up with a swollen, red, cord-like vein on his arm, which is tender and warm to the touch. Naturally, this can cause alarm, and the closure of urgent care until the next day only adds to the continue reading …