Successful use of ECMO in the treatment of acute respiratory distress syndrome associated with SARS-CoV-2 in two pediatric cases.

SARS-CoV-2 infection, in the vast majority, affects adult patients. The severity of COVID-19 and mortality are directly correlated with the increasing age of patients and the number of comorbidities. However, with the further development of the COVID-19 pandemic, severe cases of COVID-19 have been reported in children.

First-degree atrioventricular block in 14-year-old child due to Lyme disease.

Lyme disease is an infectious disease caused by bacteria of the Borrelia burgdorferi sensu lato (Bbsl) complex and is characterized by predominant lesions of the skin, cardiovascular system, nervous system and musculoskeletal system. We have described a clinical case of first-degree atrioventricular block in a 14-year-old boy caused by Lyme borreliosis. The disease started with the manifestations of cardiovascular system involvement.

Multisystem inflammatory syndrome in children associated with SARS-CoV-2 infection and severe abdominal syndrome: the Lviv "OHMATDYT" (Western Ukraine) experience.

Multisystem inflammatory syndrome in children (MIS-C) associated with Severe Acute Respiratory Coronavirus 2 (SARS-CoV-2) usually develops 1-1.5 months after mild or asymptomatic COVID-19 in countries with high incidence. MIS-C has a polymorphism of clinical manifestations, which include prolonged fever, polymorphic rash, non-purulent conjunctivitis, pneumonia complicated by distress syndrome, myocarditis, coronary artery disease, toxic shock syndrome, limb edema, polyserositis, severe abdominal syndrome with diarrhea and others.

Difficulties in diagnosing of measles inclusion body encephalitis in a child with acute lymphoblastic leukemia.

The measles epidemic was observed in Ukraine during 20172019. According to WHO, in Ukraine there was registered the highest number of measles cases in Europe during that period [8]. Measles is characterized by an acute course with fever, maculopapular rash, cough, conjunctivitis and can lead to central nervous system complications (encephalitis, encephalomyelitis) and bronchopulmonary system complications (laryngotracheobronchitis, bronchiolitis, pneumonia).