Samuel Joung Chapter 9 : Cardiology

What are the two functions of the circulatory system?

Distribute O₂ / CO₂, nutrients / waste, hormones, & heat.

Defense against foreign agents

What are the two divisions of the circulatory system?

Cardiovascular

Lymphatic

What organs make up the cardiovascular system?

Heart & blood vessels

What organs make up the lymphatic system?

Lymphatic vessels & other associated organs

What are lymphatic capillaries

Absorbs fluid released by flood vessels & returns it back into the bloodstream.

Anastomatic

Interconnected network of capillaries.

Artery

Carries blood away from the heart.

Vein

Carries blood towards the heart

Capillary bed

An anastomotic network of capillaries where the exchange of substances between the bloodstream and tissue fluid occurs.

Arteriole

Venule

Pulmonary circuit

Systemic circuit

Heart rate

Cardiac output

Mediastinum

Axis of the heart

Endocardium

Myocardium

Epicardium

Pericardium

Serous membrane

Interatrial Septum

Foramen ovale

Fossa ovalis

Atria

Ventricles

Superior vena cava

Inferior vena cava

Coronary sinus

Tricuspid valve

Pulmonary valve

Mitral valve

Chordae tendineae

Aortic valve

SA node

How does the heart conduct electricity.

AV node

Bundle of His

Rt & Lt bundles

Purkinje Fibers

Intercalated discs

Coronary Arteries

How are heart muscles joined together

What is the purpose of the coronary arteries

Collateral circulation

How do you increase collateral circulation

Coronary sinus

Rheumatic heart disease

Endocarditis

Streptococcus viridan

Valvular disease

Coronary artery disease

Angina pectoris

Coronary thrombosis

Conduction blocks

SA nodal block

A-V nodal block

Bundle branch block

Arrhythmia

Myocardial infarction

Stenosis of the lumen

Heart murmur

Lumen

Tunica Intima

Tunica Media

Tunica Externa

Vasa vasorum

Elastic arteries

Muscular arteriole

Capilaey bed