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Circulatory System

A & E Support, & Cardiac Problems, Stack - 114282

Location of the Heart ? The Heart is situated within the MEDIASTINUM, a mass of Tissue, which is located inside the Thoracic Cavity, between the Lungs.
Shape of the Heart ? The Heart is a hollow, cone - shaped Muscular Organ, it hangs upside down, Base at the top, Apex at the bottom.
Heart size ? In an average adult it is the size of the owners clenched fist. But generally the bigger you are the your Heart.
Cardiac Axis ? Is the 60' degree angle that the Heart points down, Generaly points to the Left Nipple.
The Heart is ? A Double sided Double action PUMP.
How many layers does the Heart have ? 3
Name the 3 Layers of the Heart ? Pericardium (outer layer), Myocardium (middle layer) & Endocardium (inner layer, very smooth, in all the blood vessels)
Right side of the Heart deals with ? De-Oxygenated blood, fed by the Vena Cava
Left side of the Heart deals with ? Oxygenated Blood.
How many Layers to the Pericardium ? 2 Visceral - Inner / Parietal - Outer with Serous Fluid inbetween.
Pericarditus ? The Pericardium is a potential space, if punctured Serous fluid can drain out, causing irritation, pain & Infection.
Pericardium ? A double layered sac containing the Heart, the origins of the superior & inferior Vena Cavae & the Pulmonary Artery.
Pericardium, the 2 layers are ? Epicardium / Inner Visceral layer 7 the Pericardium / outer parietal layer.
Created by: Paul Wakefield



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