Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
What is Heart Failure?
|
Abnormal cardiac function; makes heart unable to pump blood at the rate necess. for metabolic tissue, or only if EDV is elevated.
|
|
What causes heart failure?
|
Heart attack.
|
|
What is a heart attack?
|
a Myocardial infarct, so O2 supply to the heart is inadequete.
|
|
Is myocardial infarct an acute or chronic cause of heart attack?
|
Acute. If left untreated, it is a chronic cause.
|
|
How is the heart's WORK distributed?
|
90% is to develop pressure to pump sufficient blood volume.
10% is to develop kinetic energy. |
|
What are the 4 symptoms seen in LHF?
|
1. SOB
2. SOB with exertion 3. Can't sleep flat at night. 4. Cough |
|
What are the 2 symptoms seen with RHF?
|
1. dependent pitting edema
2. Weight gain. |
|
What is the most common cause of RHF?
|
LHF.
|
|
What is the most common cause of LHF? (important)
|
Hypertension
|
|
What heart sounds are heard in heart failure?
|
S3 and S4
S3 due to turbulent flow becuase of increased heartrate. S4 due to increased dependense on atrial contraction. |
|
Why does heart failure cause jugular venous and hepatic-jugular distension?
|
because the right atrial pressure is increased.
blood is backed up. causes hepatomegaly too. |