BackgroundThe skin, soft tissue, and most parts of the musculoskeletal system are relatively superficial anatomical structures and ideal targets for ultrasound examination in the emergency departments. Soft tissue and musculoskeletal ultrasound applications are relatively underused compared to traditional emergency applications, such as trauma, abdominal aortic aneurysm, and chest and cardiovascular systems.Main textIt is important to have knowledge about sonoanatomy and landmarks within the skin, soft tissue, and musculoskeletal systems. Portable machines equipped with high-resolution transducers are now available to fulfill this field of applications in many emergency departments. After needling practice, emergency physicians can not only diagnose and identify pathological findings but also provide interventional procedures and treatments. In this review, we will introduce point-of-care ultrasound (POCUS) applications regarding the soft tissue and musculoskeletal systems: soft tissue infections, joint effusions, foreign bodies, long bone fractures, muscle and tendon injuries, vascular occlusions, and procedures.ConclusionsWith POCUS, emergency physicians can visualize the structures beneath the skin and provide better and safer cares in the emergency departments.Electronic supplementary materialThe online version of this article (doi:10.1186/s40560-016-0173-0) contains supplementary material, which is available to authorized users.
A 38-year-old man who had been treated with warfarin since mitral valve replacement 10 years earlier presented with acute onset of epigastralgia and melena. Coagulation tests were abnormal with a prolonged prothrombin time of >60 seconds and a prolonged activated partial thromboplastin time of >120 seconds. Abdominal sonographic examination revealed duodenal intramural hematoma that was confirmed on CT. Warfarin therapy was stopped and the patient was treated conservatively with vitamin K and fresh frozen plasma. Recovery was uneventful, and the patient was re-warfarinized 2 weeks later. Duodenal hematoma can be readily diagnosed with bedside sonography.
Acute abdominal pain during pregnancy is encountered frequently and the differential diagnosis is extensive. Acute ovarian torsion in a pregnant patient is rare and is difficult to diagnose. Infarction caused by ovarian torsion will result if the twist is not unwound spontaneously or surgically in a timely fashion. The case is described of a 28-year-old primigravida who originally presented to the emergency department with right lower abdominal pain. The patient was ultimately found to have an extremely large cystic teratoma of the right ovary with concomitant torsion. Bedside ultrasonography is a highly accessible tool that can be used in a pregnant woman for screening a mass or ascites. Laparoscopic surgery has now been accepted as a safe modality for definitive diagnosis and therapeutic intervention. Because acute ovarian torsion is not encountered frequently, timely diagnosis is required to prevent mortality and minimise morbidity. It is important to keep ovarian torsion in the differential diagnosis of any pregnant woman with acute abdominal pain. Emergency physicians should be aware of the possibility of acute ovarian torsion in pregnant women and should have a high index of suspicion. Early surgical intervention should be undertaken.
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