Study design: Randomized Using random draw, patients are placed in one of the groups
Study population: patients undergoing coronary angiography
The main criteria for inclusion: full consciousness, the use of the right femoral artery, aged between 18-80 years, the lack of bleeding disorders, and lack of groin infection, normal coagulation tests (PT, PTT, and INR), not receiving anticoagulant and glomerular filtration rate above 50 mg / dl.
Main exclusion criteria:primary hemostasis more than 30 minutes
Sample size: 250
In the intervention and control group the closure pad and sand bag will be used respectively.
Vascular complications in both groups will be monitored, immediately and up to 24 hours after homeostasis.
Intervention: in intervention group one of two groups of pregnant women using sand bags blocking pad, placed. Vascular complications in both groups, will be monitored immediately and until 24 hours after homeostasis.
Randomization: Random allocation
Intervention time: after completion of angiography
Primary outcome: : the amount of hematoma and bleeding at the angiography site