全英文心衰PPT.ppt

1、,Heart failure,What Is Heart Failure?,Less pumping power,Slower flow rate of blood,Higher pressure of chamber,The heart cant provide body enough blood,Causes,Coronary artery disease,Coronary artery disease,Heart attack,Cardio-myopathy,Over-burdened,Cardiac hypertrophy Compliance decrease,Compensa-ti

2、on reaction,Frank-Starling mechanism,Compensatory mechanism of Neurohumor,Compensation reaction,Types Of Heart Failure,Systolic dysfunction,When the heart muscle doesnt contract with enough force, there is less oxygen-rich blood that is pumped throughout the body,Diastolic dysfunction,The heart cont

3、racts normally, but the ventricle - the main pumping chamber - does not relax properly, reducing the amount of blood that can enter the heart and raising blood pressure in the lungs.,AHA/ACC Guidelines,Stage A,At high risk for HF but without structural heart disease or symptoms of HF,Stage B,Structu

4、ral heart disease but without signs or symptoms of HF,Stage C,Structural heart disease with prior or current symptoms of HF,Stage D,Refractory HF requiring specialized interven-tions,Stages of Heart Failure,Class I,No limitation during ordinary activity,Class II,Slight limitation by shortness of bre

5、ath fatigue during moderate exertion or stress,Class III,Symptoms with minimal exertion that interfere with normal daily activity,Class IV,Inability to carry out any physical activity,Symptoms,Symtoms,Congested lungs,Fluid and water retention,Dizziness fatigue weakness,Rapid or irregular heartbeats,

6、Diagnosis,Diagnosis,Medical history,Symptoms Physical exams,Assistant examina-tion,Heart failure,Diabetes kidney disease angina high blood pressure heart problems,Smoke,Drink alcohol and how much you drink,medications,Medical history,Blood tests,BNP,Chest X-ray,Echocardiogram,EF,EKG,Stress test,Card

7、iac catheterization,coronary angiogram,Cardiac MRI,Assistant Examinations,BNP,BNP is a substance secreted from the heart in response to changes in pressure that occur when heart failure develops and worsens. The level of BNP in the blood increases when heart failure symptoms worsen, and decreases wh

8、en the heart failure condition is stable. The BNP level in a person with heart failure - even someone whose condition is stable - is higher than in a person with normal heart function.,EF,A normal EF is generally between 55% and 75%, which means that over half of the blood volume is pumped out of th

9、e heart with each beat. Heart failure may occur as the result of a low EF (called systolic heart failure), or from another cause, such as a valve disorder or from diastolic dysfunction. People with diastolic dysfunction can have a normal EF.,Treatment,Good life style reasonable dietary habit,Medicat

10、ions,Surgical procedures,To prevent your heart failure from worsening,Common types of drugs used to treat heart failure include: Angiotensin converting enzyme (ACE) inhibitors Angiotensin II receptor blockers (ARBs) Beta-blockers Digoxin Diuretics Blood vessel dilators Potassium or magnesium Aldactone Inhibitors Calcium channel blockers Heart pump medication,Medication,Surgical Procedures,Heart trans-plant,Bypass surgery,Hear