Ultrasound-guided fascia iliaca compartment block combined with general anesthesia for amputation in an acute myocardial infarction patient after percutaneous coronary intervention: A case report

Figure 1 Procedure for ultrasound-guided fascia iliaca compartment block. The ultrasound probe was vertically placed on the outer third of the inguinal ligament to identify the hourglass sign of the obliquus internus abdominis, sartorius muscle and iliopsoas muscle.