Exclusion Criteria for testing at field laboratories |
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• Resting blood pressure >200 mmHg Systolic, and or >110 mmHg Diastolic |
• Acute systemic infection (discuss with medical officer) |
• AMS requiring treatment with acetazolamide, dexamethasone or nifedipine |
• Acute chest pain |
• New Arrhythmias or ECG changes |
• Resting Arterial Oxygen Saturations <90% at sea level; <85% Kathmandu, <80% Namche <75% Pheriche, <70% at Everest Base Camp |
Criteria for stopping test |
• Excessive rise in blood pressure: |
   ○ >250 mmHg Systolic; >115 mmHg Diastolic |
• Drop in systolic blood pressure of >10 mmHg from baseline, with other indications of ischaemia (see below) |
   • >2 mm ST depression or >1 mm ST elevation |
   • Onset of angina or angina-like symptoms |
   • Onset of new arrhythmia other than ventricular ectopics |
• Nervous system symptoms - ataxia, dizziness or near syncope |
• Subject requests termination of test |