Cardiology Facts 25


  • CT crescentic, high attenuation area in ascending aorta that does not enhance with contrast - type A intramural hematoma, emergent surgical consultation 
  • Atrial fibrillation appears in up to 40% of patients after CABG surgery 
  • Nitroglycerin, papaverine, adenosine, verapamil are endothelium-independent vasodilators. Acetylcholine exerts its effect on endothelium 
  • Bicuspid aortic valve, family history of aortic dissection - treatment surgery 
  • ECG left ventricular hypertrophy, BP not significantly elevated - diagnosis masked hypertension, 24-hour ambulatory BP monitor recommended
  • St. Jude bileaflet valve is lowest profile mechanical valve 
  • Open repair and EVAR have similar long term mortality 
  • Decreased exercise capacity, HFpEF, overweight, HTN, DM, Afib - sleep apnea, test sleep study 
  • Risk of MI after cocaine is NOT related to amount ingested and frequency of use 
  • After stent thrombosis DAPT may be extended long term, but there is no data to support this