Common coronary artery occlusions in patients with myocardial infarction.

Introduction: coronary artery disease (CAD) is a significant cardiovascular disease (CVD) that affects people worldwide. This study aimed to determine the main occluded coronary arteries in patients with myocardial infarction in Najran, Kingdom of Saudi Arabia (KSA).

Methods: a retrospective cross-sectional study conducted between March 2020 and March 2021 and involving 661 myocardial infarction patients recruited from two hospitals (King Khalid Hospital and Prince Sultan Centre for Healthcare in Najran) used sampling for enrolled patients.

Evaluation of causes of female infertility using ultrasonography in Najran, Saudi Arabia.

Descriptive cross-sectional, hospital-based study carried out at the Maternal and Childbirth Hospital, Najran, Saudi Arabia, from May 2020 to May 2021 Using Ultrasonography. This study assessed the causes of female infertility by evaluating 100 women with infertility who attended the hospital. The mean age of the women with infertility was 34.