Module 16 Flashcards
(23 cards)
Mediastinum
The cavity where the heart lies, includes esophagus, thymus, & great vessels of the heart
Base
Superior
Apex
(pointy end) Inferior
Pericardium
The membrane that covers the heart
Echocardiography
ultrasound (sound wave pictures) of the heart shows both cardiac anatomy and function
Transesophageal Echocardiography (TEE)
By placing a transducer in the esophagus, physicians can get an unobstructed picture of the heart
Endocardium
Simple squamous epithelium lining the inside of the heart. can develop chronic infections
Myocardium
the heart muscle proper. thick middle layer, 95% heart
Epicardium
epithelium lining the outside of the heart= visceral later of serous pericardium
Pericardium
perietal later of serous pericardium, fibrous pericardium
Pericardial Effusion
an accumulation of excess fluid in this space. May occur due to infections, trauma, or myocardial infarction
Cardiac Tamponade
When fluid puts pressure on the heart and becomes enough to prevent the heart from pumping
Cardiac Muscle Tissue
Striated, cardiac fibers are short, branched, have one centrally-located nucleus. Intercalated discs, gap junctions, plentiful mitochondria, centrally placed nucleus
Right Atrium
This chamber receives deoxygenated blood from the body
Left Atrium
This chamber receives oxygenated blood from the lungs
Right Ventricle
This chamber receives blood from the right atrium. It’s job is to pump deoxygenated blood out to the lungs
Left Ventricle
This chamber receives oxygenated blood from the left atrium. It’s job is to pump oxygenated blood out to the body.
Atria
Holding chambers
Ventricles
Pumping chambers
Tricuspid valve
Right atrium > Right ventricle
Pulmonary valve
Right Ventricle > Pulmonary trunk
Mitral Valve
Left atrium > left ventricle
Aortic Valve
Left ventricle > Aorta
