Cardiology

Fxn; of the circulatory system

• regulates blood supply

• Generates blood pressure

• routes for blood

• Ensures 1 way blood flow

Heart characteristics

-Size; Fist and less than 1 pound

• True

• False

Where is the heart located?

• - center

• - Between lungs and thoracic cavity

• The heart is located in the thoracic cavity/ Mediastinum

• The heart is located in the brain.
• The heart is located in the abdomen.
• The heart is located in the pelvic cavity.

Orientation of heart;

• Apex ( Bottom ) towards the left side

• Deep ( inside ) towards the left side

• Superficial ( outside )

  towards the left side

Heart coverings

; double layered sac that anchors and protects the heart

• Endocardium
• Epicardium
• Myocardium
• Pericardium

Heart coverings

• ; membrane around heart cavity

• Endocardium
• Epicardium
• Myocardium
• Parietal

; surface of the heart

• Epicardium
• Endocardium
• Myocardium
• Visceral Pericardium

Heart coverings

; space around the heart inbetween of parietal and visceral pericardium

• Pericardial cavity
• Myocardium
• Epicardium
• Pericardial fluid

Heart layers

• surface of the heart

• Myocardium
• Endocardium
• Pericardium
• Epicardium

Heart layers

• - 2nd layer

• - thickest, middle layer

• Endocardium
• Pericardium
• Epicardium
• Myocardium