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Informed Consent Discussion for Central Venous Catheter Placement in the PICU

15m 21s encounter

This is an unedited encounter from ClinicalSim. Review the same recording, transcript, and feedback report the learner received.

The scenario

Your role

You are the Pediatric Critical Care Fellow caring for Noah Harris in the PICU.

Noah Harris, a previously healthy five-year-old, was admitted to the PICU about thirty minutes ago with septic shock secondary to pneumonia. He needs vasopressor support, aggressive fluid resuscitation, multiple IV medications, and frequent blood draws, but his peripheral IV access is tenuous and insufficient for escalating care. The team has decided to place a central venous catheter. You are at the bedside with his mother, Mrs. Danielle Harris, to obtain informed consent before the procedure. She is anxious, has some healthcare familiarity as a medical assistant, but does not understand what a central line is or why it differs from a regular IV.

You are speaking by voice with Mrs. Danielle Harris, Noah's frightened and protective mother, standing at her son's bedside.

Objectives

  • Explain the procedure clearly in plain language
  • Discuss risks, benefits, and alternatives
  • Assess understanding using teach-back
  • Use teach-back to confirm comprehension
  • Obtain informed consent ethically and free from coercion

Listen to the recording

Hear the full 15m 21s encounter

Transcript44
AI

Doctor, can you please explain why he needs this line? Is there another way?

You

Absolutely. I'm really glad you asked. So right now, Noah is needing an exceptional amount of medications as well as frequent blood draws. Whenever that's the case, as a team, we discuss whether or not it would be beneficial for the, a patient to have something called a central venous catheter.

AI

Okay... a central venous catheter. What does that mean exactly? How is it different from the I V he already has in his arm?

You

Correct. It's different in two primary ways. The first of which is the length of the catheter. So it's longer than a typical I V, like the one he has in his arm. This provides added benefit in that it's stable and is less likely to come out with him moving around as a child who's five-year-old, uh, five years old typically does. The second way that it differs from, um, the I V that he has in his armis that it is in a much bigger vessel, in a bigger vein, and that allows it to actually deliver more medications at faster rates.

AI

Okay... so it stays in better and can give him more medicine at once. ...

You

Yes. I'm sorry, I didn't quite hear you. What was that you said?

AI

I said, okay... so it stays in better and can give him more of the medicine he needs. But... is it dangerous? Where does it actually go in his body?

You

Correct. Of course. So, I'm gonna answer those two questions separately. Let's first focus on the location. What we do before we start the procedure is our team will come in with an ultrasound. We will look at various locations, most likely in, um, his neck and in his legs, in his groin area, to determine which vessel would be the best vessel to uti-utilize, okay? The safest and, um, the most likely for us to succeed on a first attempt. So typic- just to, um, summarize there, these ve- uh, these catheters will either go in a neck vein or a vein that is in his groin. Okay?

AI

Okay... his neck or his groin. And...

You

Yes. In terms of what complications are possible with this, as with any procedure where we're breaking the skin, there's always a risk of bleeding and infection. Okay? Um, to minimize the risk of infection, when we do the procedure, all the instruments we use are single-use, and they come from a sterile kit. We also are, um, fully, uh, the people who are doing the procedure all have sterile,uh, caps, gowns, and masks on, and no one without a sterile cap, gown, and mask is allowed in the room at the time of the procedure. To minimize the risk of, um, bleeding, what we do is, um, essentially, we make sure that he is not having any increased risk of bleeding, and right now, he's not. And then secondarily, we use an ultrasound as we're placing the IV to minimize how many times we would haveto attempt placing that IV, which then also reduces risk of bleeding. Okay? There are a couple other, um, complications that I want to make sure we discuss, but I want to see if you have any questions about those two risks before I proceed.

AI

No... I understand that part. But... what about his lung? I've heard something before about lines like this and lungs. Could it hurt his lung?

You

Okay. Absolutely. I'm really glad you asked. So, injury to the lung is more common and exactly only common when the line is placed, uh, in the neck vein. Okay? Um, the particular injury that children can sometimes sustain is called a pneumothorax, which is essentially when part of the lung collapses on itself.Because of air that's introduced from the catheter, um, in a place that there wouldn't usually be g- uh, be air in the chest wall. Okay? Sometimes if that pneumothorax is big enough, it would require that he would get an additional chest tube to reinflate the lung, although that is, um, not frequently the case. Okay? So it is a known complication, but things like how we position the patient and using the ultrasound are...Tactics we use to minimize the risk of the pneumothorax.

AI

Oh... a collapsed lung. That sounds really scary. So the groin would be safer for his lung then? Would you consider doing it there instead?

You

Mm-hmm. Mm-hmm. We certainly would. Um, yes. Essentially, if you, if we did the line in the groin, uh, the risk of the pneumothorax in the lung would be nothing. Okay? Um, the issue with, uh, line in the groin, uh, it has different risks. So the chances of it getting dirtier, because as you can imagine, there's pee and stool closein the vicinity, um, are a little bit higher than if, um, if we just did a line in the neck. And then secondarily, it's a little bit harder for children to move, uh, with a line in their leg versus their neck. So if it were the case where Noah still required a line and was awake enough to walk around, we wouldn't be able to allow him to do that because of the line in the vein. Or, um, excuse me, excuse me, the line in the leg vein. Okay? Um, I can say thatseldom is it the condition though, or is it the case that kids are improving enough to the point where they're walking around and they still require that central line. So I think if he's, you know, getting to the point where he's improved enough and mobile, we would also be able to remove that line, because we do, as a team, assess every day whether or not a child truly needs that line to minimize the risk of injury to the surrounding structure and infection.

AI

Okay... that makes sense. So you'll pick the safest spot for him. ...

You

Absolutely.

AI

...

You

I'm sorry. Okay. What was that?

AI

Sorry... I was just thinking. Will he be awake for this? Will it hurt him?

You

No. Um, we take patient comfort exceptionally seriously.In the pediatric ICU. Okay? So this is a sedated procedure. It's not full anesthesia like a child has when they undergo, um, when they undergo surgery and need a breathing tube. But, um, we do essentially use some medicines to make sure that he does not feel or remember the procedure.

AI

Okay... that's...

You

Okay. Mm-hmm. If it's okay with you, I do wanna, um, talk about one other risk, in full transparency, of a central venous catheter.

AI

Yes... please. I want to know everything.

You

Okay. Excellent. The other risk I wanna mention is sometimes the catheters can develop a clot, like a blood clot, around the catheter site. Okay? Our bodies are very good at detecting, um, injury to blood vessels and foreign bodies, which essentially this type of IV is. So occasionally, and especially so when children are sick, a clot can form around thecentral venous catheter site.

AI

A...

You

What that would look... Yes. Um, what that would look like for Noah if it bec- if that happened and he, and became symptomatic, is we might to see s- um, see some discoloration at the site of the IV, um, or some leg swelling if we used the leg. Okay? We, on a regular basis, um, are looking at the site. It's, it's part of both the nurses' and the doc- the doctor's job multiple times through a shift to assess how anIV line or a central venous line is working. And so, as soon as there's any sign of a potential clot, um, lip smack we take action to get an ultrasound to see if it's, um, if there is evidence of a clot. And then if there is, we remove the catheter, and if needed, um, start medication to break up that clot.

AI

Okay... a clot. So you watch for it closely. ...

You

Yes.

AI

What... what happens if we don't do this? Is there any other choice?

You

There is. Um, in everything we do in medicine, and, uh, especially everything we do in a pediatric ICU, has a risk and benefit. Um, seldom is there only one right way to proceed. We could, for the time being, attempt to, if you will, just get by with the IVs that Noah has in his arms. Okay? Um, this would allow us to give medications, and there is one IV currently working that allows usto obtain blood. Although, um, the reliability of that IV is uncertain. So, if that IV stops being able to allow us to draw back blood from it, then what that would mean for Noah is that whenever we needed blood, we would have to poke him, um, in a vein as a blood draw to obtain the blood we need for testing.

AI

Oh... so he'd get poked over and over again. ...

You

Mm-hmm. Key what?

AI

I said... he'd get poked over and over. That's... that's a lot for a little boy...

You

It really is.

AI

Okay... and you would be the one placing this line? Who actually does the procedure?

You

Mm-hmm. I would be the one placing the line, and then, uh, with me in the room, there would also be an ICU attending who was responsible solely for supervising me and providing direction. And then there would be another ICU attending in the room who is responsible solely for providing the sedation Noah needs to keep him calm, comfortable, and to make sure he doesn't remember the procedure. That doctor is also making sure that Noah's vitals stay normal and acceptable throughout the procedure.

AI

Okay... so there's a whole team, and someone just watching him the entire time. That... that helps. How long will the line stay in? Will he need surgery to take it out?

You

Mm-hmm. The length of the line needed is uncertain. It really depends on his clinical course and how we are able to wean him off some of the medications that he currently requires for treatment. So that, I wish I had a better, more direct answer, but I, I don't really know right now. In terms of surgery for removal, he will not need surgery for removal. It's actually quite a simple procedure, and, um, lip smacks all it entailsis removal of the special bandage overneath, or over the insertion site for that IV. And then because it is sutured in to make sure that it stays still and in, uh, the bedside nurse is typically the one to remove it. He or she will cut the sutures, place a gauze over the site of insertion, and then pull the line out. We typically hold pressure a little bit, and then honestly, it's covered with a Band-Aid.

AI

Oh... okay. Just a...

You

Mm-hmm. Yeah. Mm-hmm. And children, um, another important part to mention is that children don't require ongoing sedation for that. It typically happens within three to five minutes. Sometimes younger children are very anxious about that, especially depending where the line is placed, and so we may give them a one-time dose of medication to keep them calm. Um, but it's not ongoing sedation the way we do for the placement of the line.

AI

Okay. That's... that's a relief. I think... I think I understand now. Can you just... make sure I've got it right? He needs this because the I V he has might not last, and he needs a lot of medicine and blood draws. You'll pick the safest spot, either his neck or his groin, using an ultrasound. He'll be sedated so it won't hurt. And the main risks are bleeding, infection, a clot, or... a collapsed lung if it's in the neck. Did I get that right?

You

Mm-hmm. You absolutely did. What else can I answer for you,though?

AI

No... I think you've answered everything. Thank you for being so honest with me and taking the time...

You

Of course. I'm happy to do that. Would it be okay if I go over the true, uh, the actual paperwork with you right now? Ma'am? Okay.

Feedback

How to read this feedback

Every score is written as value / max, so you can see both the points earned and the points available. A spoken simulation can’t surface everything a real visit would, so when something couldn’t be judged fairly, the feedback labels it instead of holding it against you. Here’s what each label means.

(simulation limitation)

The voice/text modality physically can't reveal it

e.g. eye contact, body language, facial affect, physical exam, EHR documentation

(no opportunity)

The scenario never created the occasion

e.g. conversation ended before this step; situation never arose

(not applicable)

Out of scope for this case

e.g. a domain that doesn't apply here

A not assessable item does not affect the score. The format did not give you a fair chance to show that behavior, so the item is excluded. That is different from “Not demonstrated,” where the moment was there and the skill didn’t come through. Only the second one reflects on how the encounter went.

For ACGME milestones, some scenarios can only assess a competency up to a certain level because the higher levels turn on behaviors a single spoken encounter can’t surface. When a scenario’s ceiling is below Level 4, that milestone is still shown for its formative value but is Not in overall grade . It doesn’t count toward the overall grade, so a case that can’t fully exercise a competency never reads as a shortfall.

Overall impression

  • Strengths — Risk disclosure was outstanding: honest, plain-language, mitigation-paired, and proactively complete (the learner volunteered the clot risk "in full transparency"). The learner was warm, patient, and consistently invited questions, and handled the mother's spontaneous teach-back skillfully — confirming her accurate summary before moving on. The device's nature and purpose and the site-by-site comparison were clearly explained.
  • Priority gaps — The upfront work was thin: the learner never explicitly established the mother's surrogate role, her baseline understanding, or her information preferences, and never affirmed that the decision was hers to make or decline. The "no treatment" option was implied rather than presented as a genuine, balanced choice, and the pivot to "the actual paperwork" slightly presumed consent.
  • Top action items
    1. Open by orienting to the surrogate: confirm the relationship, ask what she already knows, and ask how much detail she wants.
    2. Present declining/forgoing the line explicitly as a legitimate, comparatively described option.
    3. State autonomy plainly once — "This is your decision, and it's okay to say no or take time" — before eliciting the final decision.
    4. Proactively prompt teach-back yourself rather than relying on the surrogate to volunteer it.

References

  • Johnston AJ, Simpson MJ, McCormack V, et al. Association of Anaesthetists guidelines: safe vascular access 2025. Anaesthesia. 2025;80(11):1381-1396. doi:10.1111/anae.16727
  • Woodfall K, van Zundert A. Central venous access: an update on modern techniques to avoid complications. Healthcare (Basel). 2025;13(10):1168. doi:10.3390/healthcare13101168
  • Sowan AK, Beraya AR, Carrola A, Reed C. Effect of a multimedia patient decision aid to supplement the informed consent process of a peripherally inserted central venous catheter procedure: pre-post quasi-experimental study. JMIR Med Inform. 2018;6(4):e11056. doi:10.2196/11056

This is what a learner receives

Every completed practice session produces a report tied to the frameworks named on the case and the evidence in the transcript.