At NxStage we are committed to helping customers, patients, and care partners achieve the full potential of our technology and with the help of our dedicated support services, develop a long-lasting partnership. NxStage is dedicated to providing our customers and patients with outstanding customer service. Our Customer Service team has extensive customer care experience and are ready, willing, and able to assist with: 1  Initial system acquisition. 2  Delivery and implementation. 3  Addressing customer needs during their ongoing system use.
Cardiac arrest is sometimes preceded by certain symptoms such as fainting, fatigue, blackouts, dizziness, chest pain, shortness of breath, weakness, and vomiting. The arrest may also occur with no warning.
Call 911 or seek emergency medical help if you experience dizziness with: 1  A sudden or severe headache. 2  Ongoing vomiting. 3  A sudden change in speech, vision or hearing. 4  Stumbling or difficulty walking. 5  Fainting. 6  Chest pain or an irregular heart rate. 7  Numbness or weakness. 8  Shortness of breath. 9  A high fever.