An Unusual Presentation of Vitamin B12 Deficiency Associated With Massive Splenomegaly, Hemolytic Anemia, and Pancytopenia: A Case Report.

Deficiency of vitamin B12 usually presents with symptoms of anaemia or neurological dysfunction. We report a case of a young lady who was found to be vitamin B12 deficient with massive splenomegaly, haemolytic anaemia, and pancytopenia. She was thoroughly investigated for other causes of similar presentation.

Remdesivir therapy causing bradycardia in COVID-19 patients: Two case reports.

The coronavirus disease 2019 (COVID-19) pandemic has been an enormous public health challenge. The pursuit for an effective therapy led to the use of the antiviral drug Remdesivir for hospitalized patients with severe COVID-19 pneumonia. We reported two cases of patients with severe COVID-19 pneumonia and worsening oxygen requirements.