Grey's Anatomy

Season 16 Episode 5

Breathe Again

Breathe Again is curated around Zola's shunt revision, Carly Davis's carbon monoxide poisoning with hypoglycemia treatment, and Jo Karev's PTSD treatment with EMDR.

Air date: Oct 24, 2019

diagnostic realism

4.0/5

overall

4.0/5

procedure realism

4.0/5

workflow realism

3.8/5

Medical Cases in This Episode

These are the patient stories worth unpacking. Open any case for the real-world medicine, what the episode shows, what it leaves out, and source-backed context.

3 cases identified

Case 1

Zola Grey Shepherd's Shunt Revision

Zola vomits and has headache and eye pain; CT shows widened ventricles, and Tom performs a shunt revision related to growth.

Episode shows
Zola vomits and complains of headache and eye pain. Meredith takes her to the hospital for CT, which shows widened ventricles. Tom says Zola needs a shunt revision because of growth, performs surgery, and she is awake and stable afterward.
Clinical takeaway
The case is a pediatric neurosurgery pathway tied to spina bifida, hydrocephalus risk, and shunt revision.
Accuracy 4.1/5zola-grey-shepherd-spina-bifida-shunt-revision-widened-ventriclesspina-bifidahydrocephalus

Case 2

Carly Davis's Carbon Monoxide Poisoning

Carly Davis receives hyperbaric treatment for carbon monoxide poisoning, but persistent unconsciousness and seizure lead the team to treat likely hypoglycemia with D50.

Episode shows
Carly, 46, arrives with carbon monoxide poisoning. Bailey takes her into a hyperbaric chamber for 90 minutes. Carly's CO level falls but she does not wake, then she seizes. The team suspects diabetes-related low glucose, gives D50, and Carly regains consciousn...
Clinical takeaway
The case combines toxicology, hyperbaric therapy, neurologic reassessment, hypoglycemia treatment, and safety screening after a possible poisoning event.
Accuracy 4.0/5carly-davis-carbon-monoxide-poisoning-hyperbaric-oxygen-hypoglycemiacarbon-monoxide-poisoninghyperbaric-oxygen-therapy

Case 3

Jo Karev's PTSD and EMDR Treatment

Jo receives EMDR for PTSD during residential treatment and works through anger and a painful early-memory image.

Episode shows
Jo receives EMDR while in residential treatment for PTSD. On day 22, she says she feels anger. She and Carly throw toys at a wall to calm down, and Carly helps Jo frame the painful image of her mother pulling away while reminding her that she is surrounded by...
Clinical takeaway
The case is a mental-health treatment thread centered on trauma processing, residential care, and emotional regulation.
Accuracy 3.9/5jo-karev-ptsd-residential-treatment-emdremdr

Episode Summary

Breathe Again follows three different care pathways. Zola Grey Shepherd develops vomiting, headache, and eye pain; CT shows widened ventricles, and she undergoes shunt revision related to growth. Carly Davis is treated for carbon monoxide poisoning in a hyperbaric chamber, but persistent unconsciousness and seizure lead to D50 for suspected hypoglycemia before she explains the exposure was accidental. Jo Karev receives EMDR during residential PTSD treatment and works through anger and a painful image involving her mother.

Differential Diagnosis and Testing Logic

Zola's vomiting, headache, eye pain, and widened ventricles make shunt malfunction or growth-related underdrainage a key concern, while infection and other neurologic or gastrointestinal causes remain real alternatives. Carly's falling CO level does not explain persistent unconsciousness by itself, so glucose, seizure, neurologic injury, and other toxicologic causes must stay on the list. Jo's PTSD treatment would require ongoing safety assessment, screening for depression or dissociation, and careful pacing before trauma-focused work.

Medical Accuracy Review

The episode uses concrete medical pivots: CT-documented widened ventricles, hyperbaric oxygen treatment, D50 response after seizure, and EMDR in residential PTSD treatment. The compression is mostly procedural: real care would include more shunt imaging detail, toxicology monitoring, glucose documentation, safety screening, mental-health consent, and follow-up planning.

Sources and Further Reading

Episode evidence comes from the iDRief catalog page, Grey's Anatomy Universe Wiki episode notes, and the episode transcript. Medical context comes from CDC spina bifida resources, MedlinePlus carbon monoxide poisoning, hypoglycemia, oxygen therapy, and mental health pages, plus VA National Center for PTSD EMDR information.

Educational Disclaimer

This page is for general education and TV medical analysis only. It is not medical advice, diagnosis, or treatment guidance. iDRief is independent and is not affiliated with any network, studio, streaming service, hospital, medical school, or rights holder.