What's the odd blip at the end of Blackwalt's EKG?

Use the following sites to keep updated on COVID-19:

• World Health Organization
• CDC
• Health Canada
• Public Health Ontario
• Ottawa Health and Public Safety
• CBC Canada
• Ottawa Citizen

• Rainbow 6 Quarantine from Ubisoft
• Second Extinction from Systemic Reaction
• Grand Theft Auto 6 from RockStar
• Outriders from Square-Enix
• Halo Infinite from 343 Industries
• Warhammer 40K: Darktide from Fatshark
• Back 4 Blood from Turtle Rock Studios

I wear the mask to protect the people closest to me.

-Batman

From Zero Punctuation, Yahtzee presents, Hatfall (cue Adele)