Patients waiting time in Emergency Departments has negative impact on their health outcomes and just 1 hour of waiting can increase the cost of care to 30%. The last 10 years ERs efficiency is getting worst, and the pandemic made things even worse.o Patients waiting time in Emergency Departments has negative impact on their health outcomes and just 1 hour of waiting can increase the cost of care to 30%. The last 10 years ERs efficiency is getting worst, and the pandemic made things even worse. EMMA mobile helps ER doctors more efficiently triage and monitor incoming cases.