In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

Q: Life-threatening alterations in heart rate after the use of adenosine in atrial flutter.

A: adenosine
****
Q: Multiple myeloma complicated by congestive heart failure following first administration of recombinant alpha-interferon.

A: recombinant alpha-interferon
****
Q: Recombinant VIIa concentrate in the management of bleeding following prothrombin complex concentrate-related myocardial infarction in patients with haemophilia and inhibitors.

A:
prothrombin complex concentrate
****