Cardiovascular Unit PPT
Make a heart
• You will need a worksheet
• Share instructions
• Color last please
• Needs to be done by end of hour
for use in next class
W.A. worksheet (label #4-7 together)
Heart Anatomy: Flashcards:
•You will need to:
•Cut
•Hole punch
•Get 1 color
W.A. follow up: in lab group
1. Correct answers
2. Looking at # 10 &11: The ventricles push blood out of the heart. If
they are not working perfectly :
a) What is that persons body not receiving
b) What would the long term affects be
c) How could you treat it
3. On the back of W.A. list and define the directional terms
4. On the heart diagram label the anatomical structures that are on
the worksheet. There should be 7+ (actually label the heart
diagram)
Cardiovascular Medical Abbreviations
• Using packet B fill in chart
• Please put packet back when finished
Medical abbreviations practice
1. Take a family history, date of birth, weight before examination.
______________________________________________________
Take FH, DOB, wt before exam
2. Record all vital signs, blood pressure, temperature and pulse three times a day
______________________________________________________
Record VS, BP T, P tid
3. Take chest xray, electrocardiogram before surgery
Take CXR, ECG/EKG preop
______________________________________________________
4. Move patient to recovery room with wheelchair and give them bathroom
privileges.
Move pt RR c w/c BRP
______________________________________________________
Word parts:
• Fill in what you know!
• Use packet A
Vocabulary
• Using your Word Part chart fill in the vocab terms that you are able to
Check/add to your vocab:
• Atherosclerosis:
narrowing/hardening of blood
vessels caused by deposits of fatty
material containing calcium and
cholesterol
• Coronary: pertaining to the heart
• Diastolic: dilation of the heart,
resting phase or filling of the
ventricles
• Hepatic circulation: path of blood
from the intestines, GB, pancreas,
stomach and spleen THROUGH the
liver
• Pulmonary circ: heart to lung.
Carries de-oxygenated blood from
the right ventricle to the lungs and
returns oxygenated blood to the
left atrium of the heart
• Systemic circ: general circ to
systems. Oxygenated blood from
the left ventricle to tissues of the
body, returns de-oxygenated blood
to right atrium
• Systolic: contraction of the
ventricles
termrrhage
Path of Blood: blood flow
3. Right atrium
4. Tricuspid valve
5. Right ventricle
2. superior/inferior
vena cava
6. Pulmonary arteries
1. All parts of the
body
7. lungs
12. aorta
8.Pulmonary veins
11. Left ventricle
10. bicuspid/mitral
valve
9. Left atrium
Blood flow: a little
more realistically
Blood flow coloring:
• When finished fill out the
questions to the right of coloring
in packet.
• Try without book, then book
Heart Circulation
• Pulmonary: Flow of blood between the heart and lungs
• Systemic: Flow of blood between the heart and the cells of the body
• Coronary: Flow of blood within the heart
Blood Flow
• Vessels
• Arteries carry blood away from the heart
• Largest = Aorta
• Heart muscle contractions pump
blood through arteries
Veins carry blood towards the heart
Largest = Superior/Inferior Vena Cava
Valves prevent blood from returning
to heart
skeletal muscle contractions move
blood through veins
Blood Flow Cont’d
• Valves
• control blood flow
• Valve between left atrium and ventricle =
bicuspid
• Valve between right atrium and ventricle =
tricuspid
• Pulmonary and aortic valves stop the back
flow of blood into the heart
Structures
• Heart
• Beats 72 times a minute
• 100,000 times a day
• 3 Trillion times in a
lifetime!
• Circulates about 5-7
liters of blood
• Blood Vessels
• Arteries
• Veins
Functions
• Transport nutrients and oxygen
• Transport waste to kidneys
• Distribute hormones and antibodies
• Help control body temperature and maintain homeostasis
Heart
• 2 Sided double pump
• Is about the size of your fist
• Lies in the thoracic cavity between
the lungs
Heart Tissue
• Endocardium: smooth
membranous lining inside the
heart
• Myocardium: thickest layer, muscle
tissue that is contractile.
Heart Tissue Cont’d
• Epicardium: outermost
layer in the pericardium
• Pericardium: covers the outside of
the heart
Parts of the Heart
• Divided into right and left sides
• 2 chambers in each side, for a total of 4 chambers
• Atrium: top, where blood enters
• Ventricles: bottom, where blood leaves
• Left and right sides separated by a partition called a septum
Cardiac Conduction System
• Electrical Impulses produce a wave
that can be recorded on the ECG
• Consists of
•
•
•
•
•
Sinoatrial (SA) node
Atrioventriclular (AV) node
Bundle of His (AV Bundle)
Bundle Branches
Purkinje Fibers (network)
SA NODE
• Located in the upper right part of the atrium
• Is a natural pacemaker
• Fires at a rate of 60 to 100 times per minute
• The heartbeat starts in the SA node
AV NODE
• Located in the floor of the right atrium
• Delays or slows the electrical impulse
• Fires at a rate of 40 to 60 time per minute
• Can take over if the SA node is not working
Bundle of His
• Located next to the AV node
• Transfers the electrical impulse from the atria to the ventricles
Bundle Branches
• Located along the left and right side of the interventricular septum
• Act as pathways or a fork in the road
• Impulses in the bundle branch perform the important work of making
the heart muscle contract
Purkinje Network
• Provide an electrical pathway for each of the cardiac cells
• Activate the left and right ventricles simultaneously causing the
ventricles to contract
Pulse
• Using reading packet fill in the Pulse
worksheet
Heart Sounds
• Lubb Sound
• Heard first
• Mitral and tricuspid valves closing between the atria and
ventricles
• Dupp Sound
• Heard second
• Shorter and higher pitched
• Closing of the aortic and pulmonary valves as blood is
pumped out of the heart
• Murmurs
• Abnormal or extra sounds
http://depts.washington.edu/physdx/heart/demo.html
Blood Pressure
• Systolic = contraction of the ventricles
• Diastolic = ventricle relaxation
• Normal BP= 120/80 (systolic/diastolic)
• Healthy systolic is less than 140 and greater than
90
• Healthy diastolic should be less than 100
http://www.nejm.org/doi/full/10.1056/NEJMvcm0800157
Blood pressure readings
• Using the reading packet fill in the Blood Pressure worksheet
Apical pulse
Health Concerns/Assessments/Risk Factors
• Using Teacher website
• Click cardiovascular unit
• Click website
• Fill in guided notes using the website
Practice quizzes
Path of Blood: blood flow
3.
4. Tricuspid valve
5.
2.
6.
1. All parts of the
body
7.
12.
8.Pulmonary veins
11. Left ventricle
10.
9.
Label the conduction system
anatomy
1.
2.
3.
4.
5.
6.
7.
8.
There are _____ chambers of the heart
There are _____ tissue layers to the heart
The heart beats ____ times per minute
Average systolic BP _____
Average diastolic BP ____
Systolic BP range ____
Diastolic BP range _____
Average pulse _____