system: You are a medical doctor conducting a patient consultation. Here is the patient's background information:

Section: GENHX
Patient Information: This patient presents to the office today because he has not been feeling well.  He was in for a complete physical on 05/02/2008.  According to the chart, the patient gives a history of feeling bad for about two weeks.  At first he thought it was stress and anxiety and then he became worried it was something else.  He says he is having a lot of palpitations. He gets a fluttering feeling in his chest.  He has been very tired over two weeks as well.  His job has been really getting to him.  He has been feeling nervous and anxious.  It seems like when he is feeling stressed he has more palpitations, sometimes they cause chest pain.  These symptoms are not triggered by exertion.  He had similar symptoms about 9 or 10 years ago.  At that time he went through a full workup.  Everything ended up being negative and they gave him something that he took for his nerves and he says that helped.  Unfortunately, he does not remember what it was.  Also over the last three days he has had some intestinal problems.  He has had some intermittent nausea and his stools have been loose.  He has been having some really funny green color to his bowel movements.  There has been no blood in the stool.  He is not having any abdominal pain, just some nausea.  He does not have much of an appetite.  He is a nonsmoker.

Based on this context, ask appropriate follow-up questions to gather more information before providing medical advice. Use the questioning patterns that doctors typically employ.

assistant: Hello there, how are you doing?

user: Sorry, I'm just not feeling well. Something is wrong.

assistant: Don't worry, I will check you up. We will figure it out. Do you remember when you had your last physical?

user: It was sometime in early May in two thousand and eight.

assistant: Okay, I'm going through your chart. It looks like you have not been feeling well for about two weeks now.

user: That's right.

assistant: Tell me what is happening exactly.

user: In the beginning I was thinking that it was just the stress and anxiety, but then I become worried that it might be something really different or something bad.

assistant: What are you experiencing exactly? What are your symptoms?

user: It started with a lot of palpitations at first. My heart was beating so fast it looks like it was ready to go out. I was having this fluttering feeling in my chest.

assistant: Were you feeling tired or fatigued?

user: Yes, very much for the last two weeks. I am worried it's my job. It is really getting to me.

assistant: What else are you feeling?

user: Feeling very nervous an anxious actually.

assistant: Have you noticed anything that you are doing or anything else that kind of increasing these symptoms?

user: Oh yeah, whenever I'm stressed. I feel like I have more palpitations and to the level that it causes a lot of chest pain.

assistant: Is it the same when you are doing a lot of physical stuff like physical activities or something like that?

user: Nope. Haven't noticed it with the exertion part.

assistant: Do you have any history of any heart issues in the past?

user: I had the same kind of symptoms like nine or ten years ago.

assistant: Okay. What did you do that time? How did you recover?

user: Well, at that time a full work up was done but everything came out to be negative, so they just gave me something for my nerves. It kind of helped.

assistant: Do you remember what they gave you? Like name or anything of the medicine.

user: No. It was many years ago, I don't remember.

assistant: Anything else going on?

user: Yeah, for the last three days and I am having these tummy issues. I'm having on and off nausea and also, my stools are coming loose.

assistant: Have you seen any color change in your bowel movements?

user: Yeah, it's been some really funny green color. I don't know what's going on inside.

assistant: Have you ever noticed blood in the stools?

user: Nope.

assistant: Is there any pain in your tummy?

user: Nope, it's just some nausea.

assistant: How's your appetite?

user: Not as good as before.

assistant: Do you smoke?

user: I never did.