hansa vyas
198

Dear all,
i exactly wanted to ask what Mr. Kesava had asked?
Actually while discussion, Some one told that exhaled air is rich in CO2, which act as catalyst or something.....but i said no.
So i thought to bring this question here.
Thanks Mr. raghu,Dipil,R.P Singh & Mr. Pillai for reply.
Regards,
Hansa Vyas

From India, Udaipur
ravelove
2

Dear Mr Hansa

Thanx for your comment.

This is pertaining to what you have just mentioned about Catalytical action of CO2. Actually speaking it is concerned with Mechanism of breathing and a bit complex phenomenon.

Why do we breathe and how do we breathe

Rate of breathing depends upon requirement of oxygen by body and it is sensed through receptors by Medulla Oblongata. If the level of CO2 in the blood is more then it is sensed by the medulla and it releases a message to respiratory muscle to increase respiratory rate. And the same way if oxygen level is more in the blood then it orders for decrease the respiratory rate. Thus Co2 also act as a catalyst for increasing the rate of respiration.

This is the simplest way i have put here for the people to understand the mechanism of breathing.

It is highly complex mechanism and dependent on pH of blood and other structures in the brain and accordingly the brain center reciprocates.

CO2 is acting as a catalyst only if breathing is present and it can only increase or decrease the rate but in case of absence of breathing ( no spontaneous respiration)the role of CO2 is adverse on the tissue and it can not initiate the act of breathing.

Hence we have to understand that in a case where there is no breathing we have to initiate this from external means and here comes CPR.

If no oxygen is going to brain tissue then it is very vital to at least provide it by virtue of mouth to mouth respiration.

Thus actually speaking non medical person should no about the assessment of a person whether a victim is breathing or not and there is pulse or not. How much time he or she should take in assessment and what action should be taken at the earliest so that it can actually add on to the successful revival of the victim. whether pulse should be checked first or breathing and if whichever is checked what way and how it should be checked. How to manage injuries so that it should not lead to fatality. These things are not very complex and only need thorough practice and trainings.

Regards,

RP Singh( Ravi)

Healthcare Trainer

7620958102

From India, Bangalore
dipil
713

Dear Hansa
Many thanks to bring this question to discussion... Many concept get cleared....
@ Keshav Pillai
Dear Sir: Thanks for your participation and sharing experience...
@ R.P Singh
Dear Sir: Thanks for your great explanations... It's help me to learn more about the topic...
Can you just tell me what is the ratio to be followed if there is one first aider and in case of two first aider for imparting CPR...
How Many Mouth to Mouth Respiration followed by Chest Compression...
Dear Raghu: Great participation and thanks to keep the forum alive...

From India
hansa vyas
198

Dear ravelove,
Thanks a lot for your explation as i m from science biology background so this is giving me interest to know about the hidden process our body do.
Just one more doubt though you have mentioned above still,
Will CO2 play any role if person is uncounsious or during CPR??
Thank you all for participating.
Regards,
Ms.Hansa Vyas

From India, Udaipur
ravelove
2

Dear Mr Dipil

Dear Mr Hansa

I am writing here for the queries posted by you both.

Let us understand that the most important part of First Aid is Assessment of the Victim since the time is crucial hence assessment of the victim has to be done methodically and fast. There is a very thin line between right assessment and wrong assessment and if assessment done is wrong then it can be a catastrophe.

During assessment only a first aider can learn about these three important stages of the patient/ victim/ casualty and they are

Unconsciousness

Patient with respiratory arrest

Cardiac Arrest.

Unconsciousness is the stage where breathing and pulse will be there but patient is not responding to verbal commands and vital functions( breaths, Pulse) may be a bit suppressed. Unconsciousness can occur due to any metabolic disturbance or exposure to extreme temperature and may be idiopathic ( reason not aware of)

Thus such patients should be supported by external oxygen at the rate of 4-6 litres with the help of Venti mask or nasal prongs, dont give mouth to mouth respiration or chest compressions and providing recovery position also patient should be covered with a blanket if he was exposed to low temperature so that body heat is preserved. Nothing should be given by moth to drink or eat.

Respiratory Arrest-

During assessment we may foind that there is no breath but pulse is present-

Give initial 2 breaths and then only check for the pulse; if present continue mouth to mouth respiration at the rate of 10- 12 breaths per min.Simultaneously evacuate the patient to hospital since such patient may lead to cardiac arrest.

Cardiac Arrest-

On assessment there is no breaths( give 2 breaths) and no pulse found give compressions. and it should be continued evacuate the patient with CPR on.

As i have written about CPR in elaboration hence not mentioning here again.I have mentioned about role of CPR and here again i will mention that if patient is in the state of Unconsciousness of Cardiac Arrest - there is a very little role of CO2 and it is out of the purview of first aiders. Only we consider about CO2 in operation theaters where patient is under anesthesia; there we monitor for end tidal volume of CO2 etc.

Now comes to sequences of CPR ingredients.

CPR consists of Mouth to mouth respiration and chest compressions.

Please not down that whenever CPR is employed at least there should be two first aiders since it is a very tiring process and require help of others.

In case of one first aider-

2 breaths followed by 30 compressions.

In case of Two First aiders-

2 breaths followed by 30 compressions.

thus we see that sequence of mouth to mouth respiration and compressions does not change.

Sequence is only changing if the victim is below one year old-

and here first aiders must follow -

One First Aider-

2 breaths followed by 30 compressions.

two First Aiders-

2 breaths followed by 15 compressions.

These are the latest guidelines and i hope people will make use of it.

regards

RP Singh( Ravi)

Healthcare trainer

7620958102

From India, Bangalore
raghuvaran chakkaravarthy
497

Dear Rave(RPS),
Thanks for your great write up & quick responce/effort. Regarding M/s.hansa & Mr.dipil query.Basically i am a mech engg i dont have that much knowledge/intrest in science but i got/know now better than science students about CPR.I was learn a lot about CPR from itself i must say specially thanks to Mr.Kesav & Mr.Rave(RPS). . .
Keep on sharing your experiance with us. . .

From United States, Fpo
boss2966
1166

Dear Mr. RP Singh It is really a useful discussion and every IR persons must know about the CPR. Educative and obviously a helpful article. With warm regards S. Bhaskar 9099024667
From India, Kumbakonam
ravelove
2

Dear Friends
Please find a ppt attachment for Self CPR.
This is a process for a person who is suffering from severe chest pain ( Angina pectoris) and this condition is arising out due to Myocardial( most important muscle of heart which works round the clock) Infarction( dyeing due to lack of oxygen).
If this person is found alone and unable to seek help from others, he can sustain his life by following the methods of self CPR. It is nothing but increasing the oxygen intake by deliberate increased rate of respiration. Presentation is very brief but precisely explains one about how he or she can sustain life

From India, Bangalore
Attached Files (Download Requires Membership)
File Type: ppt cpr on yourself.ppt (358.0 KB, 99 views)

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