Original Articles

1. A comparison of handheld and standard ultrasound in Swiss medical students
2. Artificial intelligence computed tomography helps evaluate the severity of COVID-19 patients: A retrospective study
3. Layperson’s performance on an unconversant type of AED device: A prospective crossover simulation experimental study
4. The expression of oxidative stress genes related to myocardial ischemia reperfusion injury in patients with ST-elevation myocardial infarction
5. Comparison of different versions of the quick sequential organ failure assessment for predicting inhospital mortality of sepsis patients: A retrospective observational study

Research Letters

1. Diagnostic errors of nasal fractures in the emergency department: A monocentric retrospective study
2. Severe acute liver injury in patients with exertional heat stroke associated with poor short-term prognosis
3. Dynamic observation of bone marrow suppression and chromosomal aberrations in patients with acute colchicine poisoning

Viewpoint

1. Overview of point-of-care ultrasound in diagnosing intestinal obstruction

Case Letters

1. Spontaneous pneumomediastinum in diabetic ketoacidosis: A case series of 10 patients
2. Bedside diagnosis of hemoperitoneum by characteristics of fluid visualized on focused assessment with sonography in trauma exam in a patient in non-traumatic shock
3. Euglycemia despite a sodium glucose co-transporter 2 inhibitor overdose
4. Anti-SSA/SSB-negative primary Sjögren’s syndrome presenting with hypokalemia: A case report
5. Systemic embolism with left atrial thrombus occurring four years after left atrial appendage closure in a patient with atrial fibrillation
6. An incident of chloroform poisoning on a university campus

Clinical Imaging and Techniques

1. Born with a luxated globe: An ocular emergency

Letter to the Editor

1. Comment on “Comparison of different versions of the quick sequential organ failure assessment for predicting in-hospital mortality of sepsis patients”