Exam (elaborations)
Mayo Ecg Exam Answers New Update
- Course
- Institution
Mayo Ecg Exam Answers New Update
[Show more]
Content preview
Mayo Ecg Exam Answers New UpdateSinoatrial Node (SA node; Sinus Node) - Answers -✔✔ Located in RA near superior
vena cava
Normal pacemaker of the heart because it possess the fastest inherent rate of
automaticity
Initiates a rhythmic impulse
Intrinsic rate (adult): 60-100 bpm
Intra-atrial Pathway - Answers -✔✔ Conducts impulse from SA node through atrial
musculature to AV node.
Consists of:
Anterior tract (Bachmann's): through LA
Middle tract (Wenckebach's): through RA
Posterior tract (Thorel's): through RA
Atrioventricular Node (AV node) - Answers -✔✔ Located in the floor of RA, near the
tricuspid valve
Delays impulse from atria before it moves to ventricles
Allows for ventricular filling
Serves as a protective mechanism against rapid superventricular impulses
Junctional Tissue - Answers -✔✔ Located in the tissue surrounding the AV node,
above the bifurcation of the bundle of HIS
Serves as backup pacemaker
Intrinsic rate (adult): 40-60 bpm
Bundle of HIS - Answers -✔✔ Connects AV node to Right and Left bundle branches
Right and Left Bundle Branches - Answers -✔✔ Right bundle branch carries electrical
impulses to the tight ventricle
Left bundle branch carries electrical impulses to the left ventricle.
Ventricular Tissue - Answers -✔✔ Serves as backup pacemaker
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 Stuviaascorers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83100 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now