Everyday Oral Surgery

Medicine Review: Cardiology (with Dr. Andrew Jenzer)

May 29, 2023
Dr. Andrew Jenzer, an oral medical surgeon from Durham, dives into the crucial world of cardiology. He breaks down essential terms and concepts for effective communication around cardiac medications. The discussion covers managing hypertension, interpreting EKGs, and understanding atrial fibrillation's complexities. Jenzer delves into cardiac risks, including heart blocks and congestive heart failure, while also touching on medication safety. This insight-rich conversation provides practical tips for residents and practitioners alike.
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INSIGHT

Hierarchy Of Cardiac Pacemakers

  • The SA node is the heart's primary pacemaker with automaticity and receives broad autonomic input.
  • If it fails, the AV node or ventricles assume slower backup pacing at 40–60 or 20–40 bpm respectively.
ADVICE

Learn Five Cardiac Pharmacology Terms

  • Learn five drug-effect terms: ionotropy, chronotropy, dromotropy, bathmotropy, and lusitropy to communicate about cardiac meds.
  • Use these terms when discussing vasoactive drugs to improve perioperative clarity.
ADVICE

Use A Fixed EKG Method

  • Follow a fixed EKG interpretation method: rate, rhythm, axis, hypertrophy, infarction.
  • Use Dubin's Rapid Interpretation of EKGs to gain practical EKG skills quickly.
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