[Cardiac Lesson Outline] Your Quick Guide to Myocardial Infarction 💓
NURSING.com sent this email to their subscribers on September 22, 2024.
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NURSING.com,
You guys loved the Angina lesson outline, so I wanted to send you another one—this time, we’re diving into Myocardial Infarction
(MI).
I know how crucial it is to really understand this topic, so I’ve broken it down into bite-sized pieces that are easy to remember
- be sure to flag this email for easy reference later or download at the bottom of this email!
MYOCARDIAL INFARCTION OVERVIEW
* Definition: MI, or a heart attack, happens when blood flow to a part of the heart muscle is blocked long enough to cause
damage.
* Why it Happens: It’s usually because of plaque buildup (fat, cholesterol, etc.) in the coronary arteries. If the plaque
ruptures, it can cause a clot that blocks blood flow.
GENERAL POINTS
Most common causes
* Coronary Artery Disease and thrombosis
ASSESSMENT
Subjective Data
* Chest pain unrelieved by rest
* Skin pale, diaphoretic, mottled, nausea, anxiety, SOB, and palpitations that worsen with activity
angina signs and symptoms
Objective Data
* Might be hypotensive/bradycardic
* ST-elevation on 12-Lead (STEMI)
* Elevated Troponins (most sensitive), elevated CK-MB & CK
THERAPEUTIC MANAGEMENT
Medication Management (anticipated medications)
* Thienopyridines (clopidogrel)
* Heparin
* Renin-Angiotensin Blockade (ARBS or Ace inhibitors)
* Oxygen
* Morphine (only if indicated by facility)
* Beta Blockers
* Nitroglycerin (per facility policy)
Monitor EKG
ekg-interpretation-for-nurses
Rest – decrease O2 demands of the heart
Anticipate Provider Orders
* 12-Lead EKG
* Cardiac Enzymes q3h x 4
* Thrombolytics unless contraindicated
* Percutaneous Transluminal Coronary Angioplasty (PTCA)--> opens clogged arteries
I hope this outline helps you feel more confident with MI. Just like with Angina, mastering these concepts is key to providing
top-notch care. Let me know if you found this helpful!
Download Myocardial Infarction Lesson Outline
Happy Nursing!
-Jon Haws, RN
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