Mr X attended in outpatient clinic with symptoms of shortness of breath, diarrhea and severe respiratory…

Explanation

Core Concept: The combination of severe respiratory distress, shortness of breath, and systemic symptoms like diarrhea is highly characteristic of severe viral respiratory infections, notably Coronavirus (e.g., SARS-CoV-2), which frequently presents with both pulmonary and gastrointestinal manifestations.

Clinical Presentation:

• Respiratory: Dyspnea, tachypnea, hypoxia, and severe respiratory distress.
• Gastrointestinal: Diarrhea, nausea, vomiting, and abdominal pain.
• Systemic: Fever, fatigue, and myalgia.

Diagnosis:

• First-line: Nasopharyngeal swab for RT-PCR testing for SARS-CoV-2.
• Gold Standard: Multiplex respiratory PCR panel and viral culture (though PCR is the clinical standard).

Management:

• Acute: Oxygen therapy, respiratory support (e.g., CPAP, mechanical ventilation if needed), and fluid management.
• Definitive: Antiviral medications (e.g., Remdesivir), corticosteroids (e.g., Dexamethasone) for severe hypoxic cases, and supportive care.