Abstract
The use of the transradial approach for performing coronary angiography is now a trend owing to the low risk of bleeding as well as quick recovery. Rare but life-threatening complications, such as acute compartment syndrome, must be identified promptly. A 60-year-old man presented to the hospital with excruciating pain and swelling in the forearm 2 hours post a transradial coronary angiography procedure. He was later diagnosed with acute compartment syndrome secondary to radial artery injury and managed with emergency fasciotomy, achieving full functional recovery. The transradial approach, while commonly used, can be associated with rare but serious complications such as acute compartment syndrome. In this case, early diagnosis and timely surgical intervention were crucial in preventing permanent damage. Clinicians should remain vigilant to ensure prompt management and favorable outcomes.