Suffering from ovary cyst....very painful....

Yes, stress can cause heart palpitations because when you are stressed, your body releases a hormone called adrenaline which makes your heart beat faster. But, it could be something else too like too much caffeine or alcohol, certain medications, asthma inhalers, dehydration and other health issues.....

please share your test results for better understanding.

A healthy oxygen saturation level ranges between 95% and 100% . If a person's levels drop below this range, they may experience symptoms associated with a lack of oxygen, such as trouble breathing and confusion.