ERcast: Clinical Perspectives Podcast Preview
The summary below is from an episode of ERcast: Clinical Perspectives
Painless monocular vision loss with flashes, floaters, or a descending curtain is retinal detachment until proven otherwise. Isolated visual complaints can also be posterior circulation stroke, and the NIHSS routinely undercalls these cases, making careful exam, ultrasound, and documentation matter.
Retinal Detachment in Monocular Vision Loss
- Classic symptom cluster: Painless monocular vision loss paired with flashes, new floaters, or a curtain over vision is the signature history that should push retinal detachment to the top of the differential.
- Monocular versus binocular loss: Confirm the deficit is truly monocular, because homonymous field loss points away from the eye and toward occipital stroke. That distinction is worth hearing in the episode.
- Bedside ultrasound hallmark: Ocular POCUS is highly accurate for retinal detachment when you see a mobile hyperechoic membrane tethered to the optic disc, often described as a sail or lasagna noodle.
- Posterior vitreous distinction: Posterior vitreous detachment can mimic the same undulating membrane, but the key separator is that it is not anchored at the optic disc posteriorly.
- Urgent ophthalmology handoff: Retinal detachment is an ophthalmologic emergency that needs a warm handoff for definitive care, not a discharge plan telling the patient to call clinic on their own.
Posterior Stroke and Documentation Risk
- Subtle posterior stroke pattern: Posterior circulation infarcts may present with isolated visual symptoms and little else, so a normal head CT or low NIHSS should not reassure you prematurely.
- NIHSS blind spot: The NIHSS has limited sensitivity for posterior circulation stroke, especially when the complaint is visual rather than motor, and that limitation matters at triage and reassessment.
- Visual field exam vulnerability: Confrontation fields are easy to overcall as normal, and a charted mismatch between nursing hemianopia and physician intact fields became central to the malpractice case.
- Consultation documentation specifics: Phone consults are medicolegally fragile unless you record exactly what findings you communicated and the consultant's explicit recommendations. We lay out the wording nuances in the chapter.
- Liability beyond the miss: In stroke litigation, the bigger problem is often not simply missing the diagnosis but failing to show that stroke was considered, worked up, and documented in a defensible way.
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References:
- Hollands H, Johnson D, Brox AC, Almeida D, Simel DL, Sharma S. Acute-onset floaters and flashes: is this patient at risk for retinal detachment?. JAMA. 2009;302(20):2243-2249. PMID: 19934426
- Prasad S, Galetta SL. Approach to the patient with acute monocular visual loss. Neurol Clin Pract. 2012;2(1):14-23. PMID: 29443297
Faculty
- Anne Steckowych, APRN
Emergency medicine is in Anne’s blood; her father has been an Emergency Medicine physician for the last 30 years. After earning her nursing degree from the University of New Hampshire (UNH) in 2018, Anne worked as an EMT at her local fire department, gaining practical experience that prepared her for five years as a nurse in the emergency department. She eventually returned to UNH to become an NP and has spent the last 8 years in the same ED, building relationships with a clinical team dedicated to providing the best possible patient care. Outside of the hospital, she’s usually skiing, hiking, or running in the New Hampshire hills. ERcast is her first podcast, and she’s thrilled to be part of the Hippo team.
- Brett Murray, MD
Dr. Murray is an Emergency Medicine physician practicing at a busy community trauma center. After attending Boston University School of Medicine, he completed his residency training at Brown University / Rhode Island Hospital, where he also served as Chief Resident from 2020 – 2021. His clinical interests center on medical education, performance science, and Emergency Medical Services.
- Kelly Heidepriem, MD
Dr. Heidepriem is a board-certified emergency medicine physician. She completed her residency at Brown University before getting homesick for the Midwest and returning closer to home where she practices in the community. She is also an associate professor at the University of South Dakota Sanford School of Medicine. Her podcasting journey began as a guest on Urgent Care RAP, which quickly led to a regular hosting role. Outside of work, Kelly is a dedicated runner, logging miles with her husband and the occasional guest star, Pete.
- Samuel Goldman, MD
- Eric Funk, MD
