B.P. is а 47-yeаr-оld wоmаn presenting with a оne-week history of fever (102°F at home), non-productive cough, and progressively worsening dyspnea. She reports increasing fatigue, inability to perform activities of daily living, and poor oral intake over the past several weeks.She was diagnosed with Human Immunodeficiency Virus (HIV) infection 5 years ago with an initial CD4 count of 583 cells/mm³. She was briefly started on Zidovudine but discontinued therapy after one month due to perceived side effects (nausea, fatigue) and has not followed up with care since that time.She reports severe anorexia and unintentional weight loss of approximately 65 pounds over the past 3 months. She also endorses early satiety, oral discomfort when eating, and intermittent diarrhea.SOCIAL & MEDICAL HISTORYPast IV drug use (heroin, cocaine) for 6 months, 6 years ago; currently abstinentDenies alcohol, tobacco, or current substance useNot sexually activeNo prior sexually transmitted infectionsNKDAPHYSICAL EXAMGeneral:Pale, cachectic, diaphoretic, appears chronically ill and in acute respiratory distressVital Signs:Temperature: 37.4°C (afebrile at exam, febrile at home)Heart Rate: 96 bpmRR: 30/min (tachypnea)Blood Pressure: 110/70 mmHgHEENT:Oral thrush present (white plaques on tongue and buccal mucosa)Dry mucous membranesPulmonary:Poor inspiratory effortBibasilar crackles extending 2/3 up posterior lung fieldsCardiac: Tachycardic, no murmursAbdomen: Soft, non-tender, no hepatosplenomegalyGenital/Urinary: Vaginal candidiasisNeurologic: Alert and oriented ×3, no focal deficitsPERTINENT LABS:Complete Blood Count (CBC)Hgb: 10.8 g/dL (12.0–16.0 g/dL, female)WBC: 7,500/mm³ (4,000–11,000/mm³)Segs (Neutrophils): 43% (50–70%)Lymphocytes: 41% (20–40%)Monocytes: 9% (2–8%)Eosinophils: 6% (1–4%)Basophils: 1% (0–1%)Platelets: 248,000/mm³ (150,000–400,000/mm³)Arterial Blood Gas (ABG)pH: 7.48 (7.35–7.45)pCO₂: 32 mmHg (35–45 mmHg)pO₂: 51 mmHg (80–100 mmHg)HCO₃⁻: 23 mEq/L (22–26 mEq/L)HIV-Specific LabsCD4 %: 11% (30–60%)CD4 count: 235 cells/mm³ (500–1,500 cells/mm³)HIV RNA (viral load): 234,000 copies/mL (undetectable
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