There are some descriptions of cardiac arrhythmias, myocardial ischemia and infarction, myocarditis, hypertension, sudden death, seizure, hyperthermia, psychomotor agitation
[hindawi.com]
In rare instances, sudden death can occur on the first use of cocaine or unexpectedly thereafter. However, there is no way to determine who is prone to sudden death.
[recoverythroughsupport.com]
Any route of administration can potentially lead to absorption of toxic amounts of cocaine, causing heart attacks, strokes, or seizures—all of which can result in sudden death
[drugabuse.gov]