National Dental Hygiene Board Exam + Local Anesthesial Dental Hygiene Board Exams Review Online Courses
National Dental Hygiene Board Exam + Local Anesthesial Dental Hygiene Board Exams Review Online Courses
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Q: Which heart condition requires premedications?

Q: Which heart condition requires premedications?

5/24/2017 8:00:00 AM   |   Comments: 0   |   Views: 102
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(A). Calcified aortic stenosis
(B). Rheumatic heart disease
(C). Ventricular septal defect
(D). Artificial heart valves


The conditions that require antibiotics prior to dental care according to the most recent American Heart Association guideline (2012) are:

  • Cardiac transplant that develops cardiac valvulopathy
  • Unrepaired or incompletely repaired cyanotic congenital heart disease, including people with palliative shunts and conduits
  • Defects repaired with a prosthetic material or device during the first six months after procedure
  • Cases in which a heart defect has been repaired, but a residual defect remains at the site or adjacent to the site
  • Artificial heart valves
  • History of infective endocarditis

Answer: (D). Artificial heart valves

Heart conditions that DO NOT require prophylactic antibiotics are:

  • Mitral valve prolapses
  • Rheumatic heart disease
  • Bicuspid valve disease
  • Calcified aortic stenosis
  • Congenital heart conditions such as ventricular septal defect, atrial septal defect, and hypertrophic cardiomyopathy

Please check out the guideline from the ADA if you need confirmation!

Now our usual concern… how do we memorize this information effectively for the dental hygiene board exams (NBDHE, NDHCE, CSCE)? Let me share with you how I memorize it. If you look at the conditions that require antibiotics, they have been treated with some sort of “medical surgery.”

  • Cardiac transplant: “transplant” is a medical surgery
  • Defects repaired with a prosthetic material or device during the first six months after procedure: “prosthetic” needs surgery
  • Cases in which a heart defect has been repaired, but a residual defect remains at the site or adjacent to the site: “repaired” means that a surgery was done
  • Artificial heart valves: obviously this needed a surgery

We have looked at 4/6 conditions that need premedications. What about the 2 that are left? They are:

  • Unrepaired or incompletely repaired cyanotic congenital heart disease, including people with palliative shunts and conduit
  • History of infective endocarditis

But at least, we have 4/6 conditions down. As you can see, even if I try my best to come up with tricks to help my students remember facts for the dental hygiene board exams (NBDHE, NDHCE, WREB, CSCE), I know I am not perfect at all. So if you have better ideas, please let me know so we can help other students in the US and Canada for their dental hygiene board exams. Thank you for following StudentRDH! We hope to assist you for the preparing of your BIG DAY!


Mini Boards Reviews for the National + Local Anesthesia Dental Hygiene Boards. Weekly Sample Questions at www.StudentRDH.com. Find COMPLETE review courses too. “I wish I did not spend money on other review courses!” – Bethany, Bergen CC, March 2016

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