Hey, folks, just a quick reminder that this podcast is not meant to be used for medical advice, just good old-fashioned education.

Hello, clinical problem solvers. Welcome. My name is Robbie Jeeha, and I'm a clinician educator at UCSF.

We have the whole crew here today, Arslan, Charmine, and Reza.

Hey, Arslan, what's good with you?

Robbie, I'm feeling really good.

You know, it's been a little bit since we'd recorded and it's always a treat hanging out with you guys.

So I'm loving it.

Charmine, how are you doing?

I'm doing great.

It's good to be back.

Reza's advice, I'm drinking my Persian black tea now.

Your mom would be so proud of you, Charmine. I know. I try very, very hard. How are you doing,

Reza? Sharmeen, I'm doing quite great. I'm very excited for tonight's episode. Let's see what

Robbie has in store for us. Well, Rez, the reason you have no idea is because we have a

clinical unknown for you. And as a reminder for the audience, this is a case that Reza has not

seen or heard about before.

The goal is to capture the entire spectrum of clinical reasoning.

We'll hear Reza's problem representations,

we'll hear him deploy some diagnostic schema,

and share a few illness scripts along the way.

The goal for you folks, again, listen and think in parallel and pause whenever you need to and think along with us. So without further ado, let's jump right in. So today, we

have a 48-year-old man who presents with muscle aches, fatigue, and a new rash. Two weeks ago,

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