Class notes
Heart
- Course
- Institution
Introduction to the heart
[Show more]
Seller
Follow
samaelhelaly
Content preview
4 2 HeartBroadflatbasepointsto
rightshoulderApexpoints
Heart Anatomy to left nip
Size of your fist
2 side by sidepumps
Location
1 Superiorsurface of diaphram
2 Leftof the midline from 2nd rib to 5th intercostal space
3 Anterior to the vertebralcolumn posterior to the sternum
4 Mediastinum
3 Layers of the heart order
Pericardium outer sac
Myocardium muscle bulk of mass
Endocardiumi inner
lining
Coverings of the heart Anatomy
Pericardium a doublewalled sac around the heartcomposed of
1 A superficial fibrous pericardium
2 A deep 2 layer serous pericardium
The parietal layer linesthe internal surface of the fibrous pericardium
The visceral layer or epicardium lines the surface of theheart
They are separated
by the fluid filled pericardial cavity
, Coverings of the heart physiology
The pericardiumi
1 Protects r anchors the heart
2 Prevents overfilling of the heart w blood
3 Allows for the heart towork in a relatively friction free environment
Epicardium i a visceral layer of the serous pericardium
Heart wall
Myocardiumi a cardiacmusclelayer forming the bulk of the heart
1 Branching musclecells arranged in bundles
2 Provides support for great vessels values
3 Directs spread ofaction potential across heart
4 fibrous skeleton of the heart i crisscrossing interlacing layer of connective tissue
insulation supports greatvessels
Endocardiumi endothelial layer of the inner myocardialsurface continous w vessels leaving 8
entering the heart
External HeartiMajorvessels of the heart anterior view
Vessels retoring blood to the heartinclude
superior inferior
1 Superior r inferior venue carea vesselleading intorightatrium bloodtoheartfromthebottom
2 Right t left pulmonary veins
Vessels conveying blood away from the hearti
1 Pulmonary trunk whichsplits into right 1 left pulmonary arteries
2 Ascendingaorta 3 branches brachiocephalic left common carotid subclavian arteries
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 samaelhelaly. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82265 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now