Case Presentation A 28-year-old primigravida at 38 weeks of gestation, with no prior history of cardiac disease, hypertension, or diabetes, presented for evaluation. Presenting Complaints Acute onset dyspnea (NYHA Class IV) Orthopnea and malaise Fever and upper respiratory tract symptoms for 7 days prior to admission Initial Clinical Findings Hypotension (BP: 80/60 mmHg) Tachycardia (HR: 130 bpm) Tachypnea (RR: 28/min) Fever (38.2°C) Oxygen saturation: 86% on room air Physical exam: jugular venous distention, bilateral basal crackles, maculopapular rash Obstetric Course Emergency cesarean section due to maternal deterioration and fetal distress Delivery of a healthy neonate Postoperative Deterioration Worsening respiratory status requiring intubation ICU admission for advanced support Evidence of acute lung injury on arterial blood gas analysis Laboratory Findings Elevated inflammatory…