This study is about using a special type of ultrasound, called **Point of Care Ultrasound (POCUS)**, to help patients with heart problems undergoing surgery. Patients over 70 with hip fractures and certain heart conditions were looked at. **Spinal anesthesia** is used for pain, but it can make blood pressure drop. Doctors think giving fluids right away might help stop this drop. They check the heart using a test called **transthoracic echocardiography (TTE)** to see how well the heart pumps blood.
They look at the **Inferior Vena Cava (IVC)**, a big vein, to predict if blood pressure might drop. Only people with certain heart conditions and IVC measurements can join the study. Patients with fast heartbeats or other serious heart valve issues can't participate. During surgery, blood pressure and heart function are closely watched.
- **Study Length**: Patients are only monitored during and right after surgery.
- **Visits Needed**: No extra visits are required beyond the surgery day.
- **Risks**: Possible blood pressure drops, but monitored closely.