ST elevation resolves and pain relief when vasospasm resolves*** BB may exacerbate
vasospasm d/t unopposed alpha stimulation
S/S of Acute coronary syndromes
Chest Tightness
Jaw/neck/left arm/epigastric pain
, scapular discomfort
N/V
S/sx of schock
dysrhythmias
diaphoresis
dizziness
**Women - increased fatigue, scapular, RUQ pain
**DM more likely to have silent MI
Labs A/w ACS
Troponin - elevation in 3-12 hours, peaks 10-24
CK-MB (myoglobin) - rises earlier but not specific
Signifant history for those in ACS emergency
Use of Phosphodiesterase inhibitors (sildenafil/viagra) w/in last 24 hrs
Cocaine - leaves unopposed alpha stimulation if given beta blockers
What is unopposed alpha stimulation
acute elevation in blood pressure and/or worsening coronary artery vasoconstriction
following the administration of a β-blocker
Limb Leads
Leads I, II, III, aVR, aVL, aVF are all derived using 3 electrodes - Right arm, left arm, left
leg
Contiguous Leads
Leads that view geographically similar areas of the myocardium; useful for localizing
areas of ischemia.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.