ACS pathophysiology and classification — Flashcards

Flashcard 1: _____ is a complication that may occur months after an MI and increases risk for mural thrombus

Answer: True ventricular aneurysm

Extra:   Watch Acute Myocardial Infarction & Post MI Timeline [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-cardiac/videos/medical-pathophysiology-cardiac-ischemic-heart-disease-acute-myocardial-infarction-and-post-mi-timeline?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/myocardial-infarction?index=6] https://onlinemeded.org/spa/cardiac?ref=anki 

Flashcard 2: What is the most sensitive and specific cardiac biomarker used for diagnosis of myocardial infarction? _____

Answer: Troponin I

Flashcard 3: The later phase of myocardial infarction (transmural infarcts) shows ST-segment _____ and Q waves on EKG

Answer: elevation

Flashcard 4: What leads (2) show ST elevations or Q waves in an anteroapical myocardial infarction? _____

Answer: V3 - V4

Flashcard 5: What EKG findings are associated with stable angina? _____

Answer: ST-segment depression (subendocardial ischemia)

Flashcard 6: Large myocardial infarctions lead to _____ elevations in troponin I and CK-MB

Answer: greater

Flashcard 7: What leads show ST elevations or Q waves in an anterolateral myocardial infarction? _____

Answer: V5 - V6

Extra:  1. Left anterior descending artery (45%): infarction of the anterior wall and anterior septum of the LV 2. Right coronary artery: infarction of the posterior wall, posterior septum, and papillary muscles** of the LV 3. Left circumflex artery: infarction of the lateral wall of the LV **papillary muscle rupture may often cause mitral regurgitation Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/myocardial-infarction?index=8] https://onlinemeded.org/spa/cardiology/coronary-artery-disease/acquire?ref=anki  

Flashcard 8: The second most common artery involved in a myocardial infarction is the _____

Answer: right coronary artery

Extra:  1. Left anterior descending artery (45%): infarction of the anterior wall and anterior septum of the LV 2. Right coronary artery: infarction of the posterior wall, posterior septum, and papillary muscles** of the LV 3. Left circumflex artery: infarction of the lateral wall of the LV **papillary muscle rupture may often cause mitral regurgitation Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/myocardial-infarction?index=4] https://onlinemeded.org/spa/cardiac?ref=anki  

Flashcard 9: Unstable angina is characterized by chest pain that occurs during _____

Answer: rest

Extra:   Watch Stable Angina, Vasospastic Angina, & Acute Coronary Syndromes (UA, NSTEMI, STEMI) [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-cardiac/videos/medical-pathophysiology-cardiac-ischemic-heart-disease-stable-angina-vasospastic-angina-and-acute-coronary-syndromes-ua-nstemi-stemi?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/myocardial-infarction?index=2] https://onlinemeded.org/spa/cardiology/coronary-artery-disease/acquire?ref=anki 

Flashcard 10: Treatment of acute coronary syndromes (e.g. unstable angina, STEMI, NSTEMI) often includes antiplatelet therapy such as _____

Answer: aspirin

Extra:  Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/myocardial-infarction?index=12] https://onlinemeded.org/spa/heme-onc/hemostasis/acquire?ref=anki