1. Basic Life Support (BLS): Emphasizes high-quality CPR and the use of an AED. 2. Airway Management: Techniques such as endotracheal intubation and the use of advanced airway devices. 3. Cardiac Monitoring: Understanding and interpreting ECG rhythms to identify arrhythmias. 4. Pharmacology: Administration of medications like epinephrine, amiodarone, and atropine. 5. Post-Cardiac Arrest Care: Treatment strategies to stabilize and support the patient after the return of spontaneous circulation (ROSC).