TvDx
ER

ERNBC

Season 5, Episode 4

8 medical diagnoses portrayed

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Also known as: Collapsed lung

HypotensionRespiratory failure

Bo, a stabbing victim, initially presents with arm and superficial chest wounds but crashes during follow-up when a missed chest wound causes tension pneumothorax requiring emergency decompression and chest tube placement.

ER — S05E04Patient: Bo

Also known as: Poor circulation in legs

Arterial thrombosisPulseless foot

54-year-old male choreographer presents with calf pain at rest and pulseless foot due to peripheral vascular disease requiring vascular surgical consult.

ER — S05E04Patient: Mr. Darcy

Also known as: Bone cancer

Amputation requiredPhantom limb pain risk

Young patient with Ewing's sarcoma scheduled for leg amputation; Doug Ross intervenes to provide preemptive epidural analgesia to prevent phantom limb pain, delaying surgery despite Romano's objections.

ER — S05E04Patient: Dana Ellis

Also known as: Rejected transplanted liver

Infectious hepatitisJaundicePotential liver failure

38-year-old magician with previous liver transplant presents with jaundice and elevated LFTs; revealed to have missed follow-ups and consumed alcohol, causing rejection. Mark Greene faces ethical dilemma about reporting to UNOS.

ER — S05E04Patient: Jeff Whitcher

Also known as: Abnormal EKG

SyncopeRisk of sudden cardiac death

Pediatric patient with recurrent syncope episodes; echo rules out obstruction and reveals likely arrhythmia requiring EP studies and possible internal cardioverter defibrillator, but complicated by undocumented immigration status affecting insurance coverage.

ER — S05E04Patient: Angel Munoz

Also known as: Smoke inhalation

TachypneaHypoxia

38-year-old magician inhales flash powder (lycopodium with potassium nitrate) during a performance, presenting with shortness of breath and borderline oxygen saturation requiring blood gas analysis.

Also known as: Knife wound

Tension pneumothoraxHemothorax

18-year-old gang violence victim with multiple stab wounds to extremities and chest; initially stable but deteriorates with missed chest wound leading to life-threatening tension pneumothorax.

ER — S05E04Patient: Bo
Hearing losssupporting

Also known as: Deafness

Peter Benton's infant son has congenital hearing loss requiring hearing aids and intensive speech therapy interventions, representing an ongoing character arc for Benton.

ER — S05E04Patient: Reese Benton
Recurring storyline