One,

CPR can save lives,

Chest compressions are the foundation,

Technical points should be clarified.

The steps take seven steps on foot.

Second,

First patient side row,

Left and right are not fixed.

The second patient should lie on his back,

On a solid flat surface,

If the patient is prone,

Put the patient on his back,

Suspected head and neck injuries,

The head, neck and trunk are straight.

The third position should be correct,

Kneel down, legs shoulder-width apart,

Parallel to the patient's shoulder;

The first palm is in the center of the chest,

Hold down the lower part of the sternum,

Hold the other palm,

Pile it in the first hand,

Keep your arms straight, don't bend,

Shoulders are directly above.

The fourth rate should be accurate,

One hundred and twenty times,

Press every minute.

The fifth depth is five centimeters,

Press the sternum vertically.

After the sixth press,

Chest rebound should be guaranteed.

Don't interrupt the seventh news,

It really takes ten seconds to interrupt.

Third,

Pay attention to special circumstances,

Rescuers have arthritis,

Or disabled arthropathy,

One leg can't move,

Compression replacement is required,

Healthy hands on the sternum,

Press the lower half of the sternum,

Weak hands don't fold,

Hold the pressed wrist,

Support healthy hand pressure,

Other technologies remain unchanged.

The seven indications of cardiopulmonary resuscitation are:

Aortic pulse recovery (mainly carotid artery and femoral artery).

Systolic blood pressure reached 60mmHg.

Peripheral circulation is improved (lips, face, skin and fingers turn from pale cyanosis to ruddy).

The dilated pupil shrinks, restoring light reflection.

Spontaneous breathing has resumed.

The patient changed from coma to excitement.

Physiological reflex appears.