Clinical Impact of Cardiac Photon-Counting Detector CT

Korábbi kezelés

• History of prior moderate or severe contrast reaction includes: unresponsiveness, severe respiratory distress, convulsions, arrhythmia, cardiopulmonary distress, progressive angioedema, laryngeal edema, dyspnea, bronchospasm, symptomatic tachycardia, symptomatic bradycardia, hypotension, hypertensive crisis.
• Any history of required premedication prior to iodinated contrast administration.
• Active ongoing wheezing or poorly controlled asthma or COPD (hospitalized within last month or receiving treatment for flair within last month).

Más betegség

• Patients experiencing atrial fibrillation, premature ventricular contractions or other heart rhythm abnormalities
• Hospitalized patients or patients under care in the Emergency Department
  • Specific exclusion criteria only for participation in the cardiac stress test arm of this study (requiring administration of Regadenoson):
• Known hypersensitivity to Regadenoson, Adenosine, or Dipyridamole.
• Currently experiencing unstable coronary syndrome.
• Uncontrollable seizures within the last 3 months

Laborértékek

• eGFR ≤ 30

Egyéb

• Patients unable to provide written informed consent
• Pregnancy
• Patients that consent to participation but do not undergo their clinically-indicated, contrast-enhanced CT, or nuclear medicine or MR perfusion scanning for any reason (e.g., bad IV, infiltration, reaction, change in indication).
• Anything by mouth within three hours of the examination
• Second (type I or II) or third degree atrioventricular (AV) block or sinus node dysfunction unless patient has functioning artificial pacemaker.
• Ingested greater than 4 oz. of caffeine within the last 12 hours.

• Patients referred for coronary artery cardiac CT imaging or nuclear medicine or MRI cardiac perfusion within the Department of Radiology or Cardiology.
• Patients who are able and willing to sign the informed consent will be enrolled
• Negative pregnancy test if subject is of child-bearing age (females of child-bearing potential will be screened for pregnancy using a urine pregnancy test, which will be administered by the unit study coordinator at no cost to the patient).