AccentCare, Inc.RN Team Director Hospice AccentCare, Inc.RN Team Director HospiceTolland, CT$100,000–$115,000Collaborate with program site leadership memebrs to monitor, manage, and mentor staff in patient care activities, productivity, and documentation per related policies and protocols. We’re proud to be named one of America’s Greatest Workplaces 2025 by Newsweek — a reflection of our shared commitment to excellence, integrity and compassion as we shape the future of aging in place.
JobotNewRegistered Nurse - OR Circulator JobotRegistered Nurse - OR CirculatorWaltham, MA$45–$64 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a highly skilled and experienced Registered Nurse OR Circulator to join our dynamic team at our outpatient surgery center.
Ambition 24HoursNewTravel Nurse RN - Nurse Manager in Framingham, MA Ambition 24HoursTravel Nurse RN - Nurse Manager in Framingham, MAFramingham, MA
Care OneAssistant Director of Social Services Care OneAssistant Director of Social ServicesConcord, MA$75,000–$85,000 / yearSocial Service functions include but are not limited to: supervising social service staff, direct services, advocacy, counseling, service coordination, education, in-servicing, policy and program development and community relations. The Assistant Director of Social Services will abide by and practice according to the company's Social Service Policies and Procedures Manual, State and Federal guidelines and the National Association of Social Workers' "Code of Ethics".
Care OneDirector of Social Services Care OneDirector of Social ServicesLowell, MAEnsures and documents that residents/families have input into the care planning process; Acts as liaison between residents, families, outside agencies, and the Center Administrator to ensure that the resident's rights are maintained; Takes responsibility for conducting family meetings as needed; Functions in a management capacity and adheres to all policies and procedures of the Center as a representative of CareOne Administration; Performs administrative requirements such as completing necessary forms and reports under the direction of the Administrator and submitting such reports to the Administrator and/or consultants as required; Facilitates discharge planning including the development of an organized discharge plan for all customers; Concerns self with the safety of all Center residents in order to minimize the potential for fire and accidents. Also ensures that the Center adheres to legal, safety, health, fire, and sanitation codes by being familiar with his/her in carrying out the Center's fire, safety and disaster plans and by being familiar with current MSDS; Puts customer service first and adheres to the CareOne Culture of Excellence Pledge.
NAPA Management Services CorporationChief CRNA - Day Kimball Hospital - Full Time NAPA Management Services CorporationChief CRNA - Day Kimball Hospital - Full TimePutnam, CTDay Kimball Healthcare’s comprehensive network includes Day Kimball Hospital; Day Kimball Medical Group; four healthcare centers in Danielson, Dayville, Plainfield, and Putnam; Day Kimball HomeMakers; Day Kimball HomeCare; and Hospice & Palliative Care of Northeastern Connecticut. Voted one of “15 Best Small Towns to Visit in New England” by Boston Magazine, this midsized city hosts a variety of annual outdoor concerts, river fires, parades, and fireworks.
Boston Children's HospitalRegistered Nurse - Waltham Operating Room ($18,000 sign-on) Boston Children's HospitalRegistered Nurse - Waltham Operating Room ($18,000 sign-on)Waltham, MA$76,003.20–$163,678.32Engage in quality improvement activities, communicate any safety concerns, and utilize information technology for effective communication, clinical decision-making, and care coordination. Serve as the liaison between patients, families, and the operating team, collaborating with interdisciplinary team members to implement and evaluate care plans.
Enhabit Home Health & HospiceRegistered Nurse RN Home Health Enhabit Home Health & HospiceRegistered Nurse RN Home HealthCharlton, MA$89,000–$95,000 / yearPerforming accurate OASIS collection, ensuring the medication profile remains current, ensuring lab values have been reported to the physician timely, attending weekly case conference and monthly case manager meetings are key responsibilities of this role. By extending ongoing professional development opportunities and providing cutting-edge technology solutions, we ensure our employees are always moving their careers forward and prepared to deliver a better way to care for our patients.
Fairlawn Rehabilitation HospitalNewRegistered Nurse Fairlawn Rehabilitation HospitalRegistered NurseFramingham, MAOur achievements include being named one of the "World's Most Admired Companies" and receiving the Fortune 100 Best Companies to Work For® Award, among other accolades, which is nothing short of amazing. Supervise care and treatments, lead patient assessments, tailor care plans, and address patient concerns to provide exceptional care.
Boston Children's HospitalRegistered Nurse - Needham Operating Room Boston Children's HospitalRegistered Nurse - Needham Operating RoomNeedham, MA$84,448–$181,864.80Sign-on bonus of $20,000 for full-time, 40 hour per week hires with over 2 years of direct OR experience as a Registered Nurse (who have not worked here in the past 2 years). Any base pay offer provided depends on skills, experience, education, certifications, and a variety of other job-related factors.
IconmaNewRegistered Nurse - MedSurg / Telemetry (Nursing) IconmaRegistered Nurse - MedSurg / Telemetry (Nursing)Concord, MA$47.95–$51.84 / hourOur client, a Healthcare company, is looking for a Registered Nurse - MedSurg / Telemetry (Nursing) for their Concord, MA location. Must have experience and be strong in telemetry and neuro.
Fairlawn Rehabilitation HospitalNewRegistered Nurse Residency Fairlawn Rehabilitation HospitalRegistered Nurse ResidencyFitchburg, MAFor new graduates or nurses with less than one year of experience, our 9-month Nurse Residency Program offers structured guidance and added support as you begin your career in rehabilitation nursing. Join a supportive RN cohort with a structured curriculum designed to build confidence, enhance your skills, provide mentorship and set you up for long-term success.
Yale New Haven HealthRegistered Nurse (RN) – HVC Heart Failure Nurse Yale New Haven HealthRegistered Nurse (RN) – HVC Heart Failure NurseWorcester, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
connectRNRegistered Nurse (RN) - Certified Home Health - earn $72.13 per point connectRNRegistered Nurse (RN) - Certified Home Health - earn $72.13 per pointMarlborough, MA$74.80–$79.20Keywords: Registered Nurse, RN, RN Per Diem, Certified Home Health, OASIS, HomeCare HomeBase, Side Hustle, Flexible Hours, Per Diem, Competitive Pay, PRN. One-To-One Support & Clinical Mentorship: You work hard to care for so many, our team is dedicated to making sure that your questions are answered and that you feel supported day in and day out.
Fresenius Medical CareNewAcute Inpatient Registered Nurse - RN Fresenius Medical CareAcute Inpatient Registered Nurse - RNWorcester, MA$35–$59 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post treatment for assigned patients and documents in the patient medical record, makes adjustments and modifications to treatment plan as indicated and notifies Supervisor, Physician, patient’s primary nurse and others as may be indicated. SUPERVISION: Assigned oversight of Patient Care Technicians/LVN/LPNs/RNs as a designated Nurse in Charge, after meeting all the following: · Successful completion of all FKC education and modality specific training requirements for new employees.
Fresenius Medical CareNewDialysis Clinical Manager Registered Nurse - RN Fresenius Medical CareDialysis Clinical Manager Registered Nurse - RNAttleboro, MA$79,000–$133,000 / yearAs the facility leader, you will be part of a close-knit, collaborative team responsible for delivering unique care plans and providing dialysis treatment to patients facing end stage renal disease or chronic kidney disease. We have a diverse range of employee resource groups (ERGs) to encourage employees with similar interests, goals, social and cultural backgrounds, or experiences to come together for professional and personal development, discussion, activities, and peer support.
Yale New Haven HealthRegistered Nurse Float – Critical Care Yale New Haven HealthRegistered Nurse Float – Critical CareWorcester, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthRegistered Nurse Critical Care (ICU) – Float Pool Yale New Haven HealthRegistered Nurse Critical Care (ICU) – Float PoolWorcester, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Prime StaffingNewTravel Nurse RN - Intensive Care Unit (ICU) / Critical Care - $2,057 per week in Gardner, MA Prime StaffingTravel Nurse RN - Intensive Care Unit (ICU) / Critical Care - $2,057 per week in Gardner, MAGardner, MA$2,057.04–$2,057.04JOB REQUIREMENTSMinimum Education Graduate of accredited school of nursingMinimum Experience 1 yr med-sug experience preferred Previous telemetry experience required ICU experience preferredMinimum Licenses and Certifications Current MA RN License ACLS upon hire OR must hold an active BLS card and obtain AHA ACLS within 60 days of hire CCRN preferredFUNCTIONAL DEMANDSPhysical 20 to 50 pounds of force occasionally, and/or 10 to 25 pounds of force frequently, and/or greater than negligible up to 10 pounds of force constantly to move objects. functions as preceptor, instructor, trainer, attends professional development programs, etc.).Proactively identifies risk to patient safety and identifies opportunities to reduce medical/health care errors (i.e. appropriate reporting of errors/incidents).Identifies ethical issues in care and develops plan to address.
Yale New Haven HealthRegistered Nurse (RN) – Critical Care Float Pool Yale New Haven HealthRegistered Nurse (RN) – Critical Care Float PoolLowell, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Enhabit Home Health & HospiceRN Home Health - Weekends Enhabit Home Health & HospiceRN Home Health - WeekendsWorcester, MA$89,000–$95,000 / yearBy extending ongoing professional development opportunities and providing cutting-edge technology solutions, we ensure our employees are always moving their careers forward and prepared to deliver a better way to care for our patients. Performs skilled nursing visits and completes coordination of client care, Point of contact for all disciplines involved with providing care to patients.
AccentCare, Inc.NewRegistered Nurse / RN, Hospice After Hours AccentCare, Inc.Registered Nurse / RN, Hospice After HoursTolland, CT$90,000–$105,000If serving as a Care Manager, coordinates all aspects of patient care including scheduling, medication management, plan of care oversight, IDG collaboration, and supervision of LPNs, LVNs, and Hospice Aides; participates in IDG meetings and patient/family conferences. If serving in an On-Call capacity, responds to triage calls, performs visits and assessments, coordinates care with the Administrator On Call, and may attend IDG meetings and family conferences; also participates in training, committees, and other duties as assigned within licensure scope.
TRS HealthcareNewTravel Nurse RN - Post-Anesthesia Care Unit (PACU) / Pre-Post Op - $2,122 per week in Worcester, MA TRS HealthcareTravel Nurse RN - Post-Anesthesia Care Unit (PACU) / Pre-Post Op - $2,122 per week in Worcester, MAWorcester, MA$2,122–$2,122TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Post Anesthesia Care Unit experience.
TRS HealthcareNewTravel Nurse RN - Cardiovascular Intensive Care Unit - $1,934 per week in Gardner, MA TRS HealthcareTravel Nurse RN - Cardiovascular Intensive Care Unit - $1,934 per week in Gardner, MAGardner, MA$1,934–$1,934TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Intensive Care Unit - Cardiac experience.
TRS HealthcareNewTravel Nurse RN - Medical-Surgical - $2,058 per week in Gardner, MA TRS HealthcareTravel Nurse RN - Medical-Surgical - $2,058 per week in Gardner, MAGardner, MA$2,058–$2,058
TRS HealthcareNewTravel Nurse RN - Operating Room - $2,193 per week in Gardner, MA TRS HealthcareTravel Nurse RN - Operating Room - $2,193 per week in Gardner, MAGardner, MA$2,193–$2,193TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has OR - Operating Room experience.
TRS HealthcareNewTravel Nurse RN - Labor & Delivery - $2,808 per week in Worcester, MA TRS HealthcareTravel Nurse RN - Labor & Delivery - $2,808 per week in Worcester, MAWorcester, MA$2,808–$2,808
TRS HealthcareNewTravel Nurse RN - Med/Surg / Telemetry - $2,735 per week in Attleboro, MA TRS HealthcareTravel Nurse RN - Med/Surg / Telemetry - $2,735 per week in Attleboro, MAAttleboro, MA$2,735–$2,735TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Med/Tele experience.
TRS HealthcareNewTravel Nurse RN - Infusion - $2,148 per week in Attleboro, MA TRS HealthcareTravel Nurse RN - Infusion - $2,148 per week in Attleboro, MAAttleboro, MA$2,148–$2,148TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Infusion Therapy experience.
TRS HealthcareNewTravel Nurse RN - Oncology - $2,148 per week in Attleboro, MA TRS HealthcareTravel Nurse RN - Oncology - $2,148 per week in Attleboro, MAAttleboro, MA$2,148–$2,148
TRS HealthcareNewTravel Nurse RN - Labor & Delivery - $2,266 per week in Worcester, MA TRS HealthcareTravel Nurse RN - Labor & Delivery - $2,266 per week in Worcester, MAWorcester, MA$2,266–$2,266TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has OB - Mother/Baby/Couplet Care experience.
TRS HealthcareNewTravel Nurse RN - Operating Room - $1,821 per week in Gardner, MA TRS HealthcareTravel Nurse RN - Operating Room - $1,821 per week in Gardner, MAGardner, MA$1,821–$1,821TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has OR - Operating Room experience.
TRS HealthcareNewTravel Nurse RN - Oncology - $2,024 per week in Attleboro, MA TRS HealthcareTravel Nurse RN - Oncology - $2,024 per week in Attleboro, MAAttleboro, MA$2,024–$2,024TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Oncology experience.
TRS HealthcareNewTravel Nurse RN - Emergency Room (ER) / Trauma - $1,998 per week in Framingham, MA TRS HealthcareTravel Nurse RN - Emergency Room (ER) / Trauma - $1,998 per week in Framingham, MAFramingham, MA$1,998–$1,998TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Emergency Room experience.
TRS HealthcareNewTravel Nurse RN - Labor & Delivery - $2,323 per week in Framingham, MA TRS HealthcareTravel Nurse RN - Labor & Delivery - $2,323 per week in Framingham, MAFramingham, MA$2,323–$2,323TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has OB - Labor & Delivery experience.
TRS HealthcareNewTravel Nurse RN - Neonatal Intensive Care Unit - $1,734 per week in Worcester, MA TRS HealthcareTravel Nurse RN - Neonatal Intensive Care Unit - $1,734 per week in Worcester, MAWorcester, MA$1,734–$1,734
TRS HealthcareNewTravel Nurse RN - Operating Room - $2,122 per week in Framingham, MA TRS HealthcareTravel Nurse RN - Operating Room - $2,122 per week in Framingham, MAFramingham, MA$2,122–$2,122TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has OR - Operating Room experience.
TRS HealthcareNewTravel Nurse RN - Neonatal Intensive Care Unit - $2,536 per week in Worcester, MA TRS HealthcareTravel Nurse RN - Neonatal Intensive Care Unit - $2,536 per week in Worcester, MAWorcester, MA$2,536–$2,536
TRS HealthcareNewTravel Nurse RN - Emergency Room (ER) / Trauma - $2,318 per week in Marlborough, MA TRS HealthcareTravel Nurse RN - Emergency Room (ER) / Trauma - $2,318 per week in Marlborough, MAMarlborough, MA$2,318–$2,318TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Emergency Room experience.
TRS HealthcareNewTravel Nurse RN - Intensive Care Unit (ICU) / Critical Care - $2,133 per week in Worcester, MA TRS HealthcareTravel Nurse RN - Intensive Care Unit (ICU) / Critical Care - $2,133 per week in Worcester, MAWorcester, MA$2,133–$2,133TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Intensive Care Unit experience.
TRS HealthcareNewTravel Nurse RN - Med/Surg / Telemetry - $2,024 per week in Attleboro, MA TRS HealthcareTravel Nurse RN - Med/Surg / Telemetry - $2,024 per week in Attleboro, MAAttleboro, MA$2,024–$2,024TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Med/Tele experience.
TRS HealthcareNewTravel Nurse RN - Labor & Delivery - $1,857 per week in Gardner, MA TRS HealthcareTravel Nurse RN - Labor & Delivery - $1,857 per week in Gardner, MAGardner, MA$1,857–$1,857TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has OB - Labor & Delivery experience.
TRS HealthcareNewTravel Nurse RN - Emergency Room (ER) / Trauma - $2,401 per week in Leominster, MA TRS HealthcareTravel Nurse RN - Emergency Room (ER) / Trauma - $2,401 per week in Leominster, MALeominster, MA$2,401–$2,401TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Emergency Room experience.
TRS HealthcareNewTravel Nurse RN - Intensive Care Unit (ICU) / Critical Care - $2,536 per week in Marlborough, MA TRS HealthcareTravel Nurse RN - Intensive Care Unit (ICU) / Critical Care - $2,536 per week in Marlborough, MAMarlborough, MA$2,536–$2,536TRS give nurses the best of both worlds - the adventure of experiencing new locations with the comfort security of a company founded by nurses. TRS Healthcare is seeking a Registered Nurse who is licensed to work in MA, and has Intensive Care Unit experience.
Yale New Haven HealthRegistered Nurse – ICU Float Unit Yale New Haven HealthRegistered Nurse – ICU Float UnitWorcester, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthRegistered Nurse (RN), Float Critical Care / ICU Yale New Haven HealthRegistered Nurse (RN), Float Critical Care / ICUWorcester, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthRegistered Nurse – Advanced / Specialized Heart Failure Yale New Haven HealthRegistered Nurse – Advanced / Specialized Heart FailureFramingham, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthRegistered Nurse - YNHH Yale New Haven HealthRegistered Nurse - YNHHFramingham, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthRegistered Nurse - ICU Yale New Haven HealthRegistered Nurse - ICULowell, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthRegistered Nurse - Great Pay! Yale New Haven HealthRegistered Nurse - Great Pay!Worcester, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.