Sonography, or ultrasound, is a diagnostic imaging technique that uses high-frequency sound waves to create images of internal organs and tissues.

Preparation varies by the type of ultrasound. For some, you may need to drink water and avoid eating beforehand. Follow the specific instructions given.

Yes, sonography is a safe, non-invasive procedure that does not use radiation. It is commonly used in various medical evaluations.

Sonography is considered very safe with no known risks. It does not involve radiation and is widely used for many diagnostic purposes.

Yes, sonography is commonly used during pregnancy for monitoring fetal development and health. It is a standard and safe practice.

There are open appendectomy and laparoscopic appendectomy, with laparoscopic being minimally invasive and often preferred for quicker recovery.

It measures various lipids in the blood, including cholesterol and triglycerides, to assess cardiovascular risk.

Yes, fasting for 9-12 hours is generally required to obtain accurate fasting cholesterol levels.

It helps evaluate cardiovascular risk, diagnose lipid disorders, and monitor treatment effectiveness.

The frequency depends on individual risk factors and healthcare provider recommendations. Generally, it is recommended every 4-6 years for adults, more frequently for those with risk factors.