KanjiJLPT N2
Afflicted

afflicted, disease, suffer from, be ill

Mnemonic

A skewer drives straight down into your heart, and the moment it pierces through, you become afflicted with a terrible, agonizing sickness. The skewer stays lodged there, twisting with every heartbeat, a constant source of dread and suffering you cannot escape.
Additional thoughts
Visualize the skewer (串) sitting directly on top of the heart (心). Something impaling your heart naturally evokes affliction — chronic pain, worry, and distress that won't leave. The two-pronged shape of the skewer doubles the torment.
Quick recall
A skewer lodged in your heart leaves you afflicted with unending pain.

Details

The keyword for 患 is afflicted. This kanji conveys the idea of being struck by illness, worry, or misfortune. It refers to suffering from a disease or being troubled by anxiety and distress. The character carries a sense of being burdened by something harmful that weighs heavily on one's body or mind.
On'yomi
かん
Kun'yomi
わずら.う