For this case please determine the cause of coma and the prognosis for waking up.

This is a 72 year-old woman who had witnessed syncope in a department store today. Prior to this she was feeling well. When the medics arrived she was in v-tach. CPR was performed including three rounds of defibrillation. Resuscitation time from syncope to a perfusing rhythm was 35 minutes.

On day 2 she was not waking up so a neurology consult was called. Inpatient medications include Amiodarone, ASA, Metoprolol, and sq. heparin. No sedatives.

PMH:
1. Chronic low back pain
2. HTN
3. Hyperlipidemia
4. ASCVD. Stable angina.

Medications:
1. Vioxx
2. ASA 81mg qd
3. Pravastatin 20mg qd
4. Diltiazem CD 120mg bid
5. Isordil
6. Lisinopril 10mg qd
7. MVI
8. NTG prn

Allergies: NKDA

Family History: Noncontributory

Social History: Lives with husband. One healthy daughter..

Physical:
BP 142/80   HR 78   T 37.8°C
General: Intubated.
Mental Status: Coma.
HEENT: PERRLA. Positive Doll's eyes. Cold calorics positive bilaterally for tonic deviation of both eyes. Corneal reflexes positive.
Motor (Power/Tone/Bulk): Decorticate posturing to central pain.
Sensory: Can't test.
Reflexes: 2/4 throughout. Upgoing toes to plantar stimulation.
Coordination: Can't test.
Gait: Can't test.
Abnormal Movements: None
Other Organs: RRR without murmur. Lungs clear to auscultation.
Initial EKG: Abnormal. Sinus rhythm at 72. ST elevation in V4-V6 indicative of acute infarction.