Can you answer this question on spider bites?
A 45-year-old attending physician presents to your emergency department in California complaining of severe pain in his forearm after being bitten by a spider while clearing out his family shed. He described a brown spider with a somewhat mottled appearance (see Figure) that scurried away after biting him.
He states that the pain is severe but is only localized to his forearm. He is diaphoretic, his heart rate is 148 beats/minute, and his blood pressure is elevated at 160/90 mm Hg.
What type of arthropod is this, and what is the recommended therapy?
Latrodectus geometricus (brown widow); pain management
Latrodectus mactans (black widow); antivenom administration
Loxosceles reclusa (brown recluse); dapsone administration
Opiliones species (daddy longlegs, harvesters); pain management
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