Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection has resulted in a considerable amount of morbidity and mortality worldwide since December 2019. Patients with coronavirus disease (COVID-19) most commonly present with respiratory manifestations, while cardiac manifestations were reported as a complication and seldom as a presenting feature. We report two cases of new-onset atrial fibrillation occurring in middle-aged men with no significant past medical history. The first patient presented with symptomatic atrial fibrillation; however, during his hospitalization course, he developed a fever, which led to the diagnosis of infection with SARS-CoV-2. The second patient presented from urgent care after being diagnosed with COVID-19 associated with newly diagnosed atrial fibrillation. Both patients were treated symptomatically for COVID-19 and discharged home after reverting to sinus rhythm. Physicians should be aware of the variable clinical presentations of COVID-19, especially in new or worsening cardiac illnesses, in order to practice the appropriate personal protection practices. More studies are needed to identify the viral mechanisms leading to the dysregulation of cardiac rhythm.
Introduction. Tumor lysis syndrome (TLS) is a metabolic derangement that results from rapid destruction of cells. It happens frequently in cancers receiving chemotherapy, particularly hematological malignancies. It can lead to death in severe cases. Tumor lysis syndrome that leads to acute renal failure requiring dialysis and/or ICU admission can be associated with a higher rate of complications and mortality. Case Report. We present a 24-year-old male patient with Burkitt’s lymphoma. After receiving one cycle therapy, he developed severe kidney injury from TLS. We initiated renal replacement therapy soon after his admission to the ICU, with marked response to therapy. This led to early discharge from the ICU. Conclusion. Early initiation of renal replacement therapy after TLS-AKI can improve the severity of AKI and hasten recovery and prevent complications. This can lead to earlier discharge from the hospital and better outcomes.
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