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Grey's Anatomy

Grey's AnatomyABC

Season 4, Episode 15

6 medical diagnoses portrayed

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Also known as: Aortic stenosis

Chronic atrial fibrillationPulmonary hypertensionLeft atrial thrombus

Walter Tapley, a legendary cardiothoracic surgeon, presents with aortic and mitral stenosis requiring double valve replacement. The surgery is high-risk due to his chronic a-fib, pulmonary hypertension, and left atrial clot, with other surgeons refusing to operate.

Grey's Anatomy — S04E15Patient: Walter Tapley

Also known as: Mitral valve narrowing

Part of Walter Tapley's complex cardiac pathology requiring surgical intervention alongside aortic stenosis and tricuspid regurgitation.

Grey's Anatomy — S04E15Patient: Walter Tapley

Also known as: Leaky heart valve

Requires tricuspid valve repair as part of Walter Tapley's complex multi-valve cardiac surgery.

Grey's Anatomy — S04E15Patient: Walter Tapley

Also known as: Brain cancer

Cerebral edemaAltered mental statusHypergraphia

Greta has an aggressive brain tumor in the temporal lobe causing her to hallucinate a boyfriend named Andre. The tumor blurs imagination and reality, causing hypergraphia and delusional beliefs. Surgery results in fatal brain swelling.

Also known as: False pregnancy, hysterical pregnancy

Rebecca presents with symptoms of pregnancy including nausea and breast changes, but multiple pregnancy tests are negative. She insists she is pregnant despite ultrasound showing no fetus. Diagnosed as hysterical/false pregnancy, likely related to acute stress disorder from her facial reconstruction.

Grey's Anatomy — S04E15Patient: Rebecca Pope
Recurring storyline

Also known as: Trauma response

PseudocyesisBody dysmorphia

Rebecca's psychiatric symptoms stem from acute stress disorder following massive plastic surgery and trauma. She experiences identity confusion, believes her reconstructed face doesn't match her body, and develops a false pregnancy.

Grey's Anatomy — S04E15Patient: Rebecca Pope
Recurring storyline