Circulation Flashcards
What side of the heart is responsible for pumping deoxygenated blood to the lungs?
Right
Where does the heart get its oxygen from blood?
Coronary Arteries
What phase does the left ventricle contract?
Systolic phase
What are some common heart attack symptoms?
- Pain to the central chest
- Pain to the left side of the chest
- Pain or numbness to the left arm
- Tingling sensation down the left arm
- Jaw pain
- Neck pain
- Shortness of breath during exercise or at rest
- Sense of Impending Doom
What do paramedics use to diagnose chest-pain?
12-lead ECG
How would we define a myocardial infraction?
Damage to the heart muscle caused by a loss of blood
supply due to blocks in the arteries.
What is the inflammation of the pericardium surrounding the heart called?
Pericarditis
What are the 3 stages involved in the cardiac cycle?
Atrial systole (contraction of the artria), Ventricle systole (contraction of the ventricles) and complete cardiac diastole.
What node is considered the ‘pace maker’ of the heart?
Sinoatrial node
What node is referred to as the ‘second pace maker’ of the heart?
atrioventricular node
What does the hearts electrical system control?
Its rhythmic contractions and relaxations
What do P waves on an ecg represent?
atrial depolarisation
What supplies blood to the heart?
The coronary arteries
What is the most common cause of coronary heart disease?
atherosclerosis of the coronary arteries
What disease causes angina?
coronary heart
What is the portion of the abdomen between the diaphragm and umbilicus called?
Epigastrium
How does aspirin assist in a MI?
Rapidly and powerfully inhibits activity of the platelets.
