The immediate cause of most sudden cardiac arrests is an abnormal heart rhythm. The heartâs electrical activity becomes chaotic, and it canât pump blood to the rest of the body. Conditions that can trigger sudden cardiac arrest include: Coronary artery disease . This is the most common cause of sudden cardiac arrest in people older than 35. Cardiomyopathy . When you have this condition, your heart muscle becomes enlarged or thick, so it's weakened.
A cortisone injection is a treatment for a variety of diseases, disorders and conditions. Cortisone is a corticosteroid. Corticosteroids have potent anti-inflammatory effects. They can also help regulate your immune systemâs activity.
Complications of cortisone shots can include: 1  Joint infection. 2  Nerve damage. 3  Thinning of skin and soft tissue around the injection site.  Temporary flare of pain and inflammation in the 1  joint. Tendon weakening or rupture.  Thinning of nearby bone 1  (osteoporosis) Whitening or lightening of the skin around the injection  site.