Heart Healthy: Southern NH Medical Center recognized for stroke care Southern New Hampshire Medical Center in Nashua has been recognized for implementing the latest research-based treatment guidelines for stroke patients through the American Heart Association/American Stroke Association's Get With The Guidelines-Stroke quality improvement program. 1/28/2017 SNHH Upgrades Caregiver Communication with Voalte Smartphones Voalte, the leader in healthcare communication technology, today announced that Southern New Hampshire Medical Center has upgraded to Voalte Platform™ for secure communication and alert notification via smartphones. 1/10/2017