- Opening
- ECG
- Electrophysiology
- Cardiac pacing, cardioversion, defibrillation
- blood pressure
- Measurement of blood flow and cardiac output
- Measurement of Heart and respiratory rate
- Echocardiography
- Ultrasonography
- X-rays, methods in internal medicine
- Endoscopic methods in internal medicine
- Monitoring vital signs and internal environment
- The elimination methods
- ECG
- Electrophysiology
- Cardiac pacing, cardioversion, defibrillation
- blood pressure
- Measurement of blood flow and cardiac output
- Measurement of Heart and respiratory rate
- Echocardiography
- Ultrasonography
- X-rays, methods in internal medicine
- Endoscopic methods in internal medicine
- Monitoring vital signs and internal environment
- The elimination methods