Diseases of the circulatory system

Circulatory system

Open Ended

1) What takes blood away from the heart?

2) What takes blood back to the heart?

3) What carries nutrients and oxygen?

4) What pumps blood through the body?

​Learning Objectives

What are we learning this lesson?​

​

​● a recap of the circulatory system.

​

● theory on the diseases and disorders that affect the

circulatory system.

​What am I looking for this lesson?

​

● describe and explain diseases of the circulatory system.

​Can you help? What's wrong with my heart?

​Hamda is 55 years old. She has been having headaches, she has shortness of breath and sometimes she has nosebleeds

​

The doctor thinks her problems are related to the heart, what disease could she have?

​Mohammed is 55 years old. He gets sudden numbness or weakness in his arms or legs, and finds it sometime difficult to speak, he also has temporary loss of vision in one eye.

​

​

​The doctor thinks is problems are related to the heart, what disease could he have?

Where you right?

​Hamda has

Hypertension

​Mohammed has

Atherosclerosis

​Hypertension

​•The blood pressure on artery walls is higher than normal.

​

•The heart has to work harder to pump blood around the body.

​

•Chronic condition.

​

•Can lead to heart attack, stroke or heart failure.

​

•Risk increases with age and if there is a family history.

Open Ended

What is another name for hypertension?

Open Ended

What do you think causes hypertension?

Symptoms

​Treatment

Atherosclerosis​

​•Build-up of fatty plaque eventually blocks blood flow

​

•Can cause a heart attack if in the arteries

​

•Can cause a stroke if in the brain

​

•Being overweight, having hypertension and an unhealthy diet are main risk-factors for it

​

​Signs and

​Symptoms

​LMS