Cardiopulmonary resuscitation (CPR) - also known as BLS (Basic Life Support) - is the procedure of maintaining artificial respiration and artificial circulation in a mammal who has gone into cardiac arrest through repeating cycles of chest compressions and ventilations. It is intended to maintain adequate oxygenation and circulation of critical body tissues, particularly those of the central nervous system (brain and spinal cord) and heart so that advanced life support procedures can restore the circulatory system to a functional state.

Cardio means heart, pulmonary pertains to lungs, and resuscitation means to revive from death or unconsciousness.

CPR is indicated for people or animals who are not breathing and are unable to maintain adequate circulation. The exact methods for performing CPR vary by species and age and are updated regularly. There is an international committee, the International Liaison Committee on Resuscitation (ILCOR) that convenes approximately every five years to consolidate resuscitation research and publish updated guidelines for human resuscitation, including CPR, along with more minor publications in between these major updates.

The exact methods of performing CPR are covered in other questions on this site.

When a person has a systemic disorder it involves many organs or tissues in the body that have been compromised.

A systemic disease is one that affects a number of organs and tissues, or affects the body as a whole.

It usually means that something notable was found on diagnostic imaging, but it may not be meaningful for the patient. For example, the majority people over 40 have changes on spinal MRI, but these don't actually cause discomfort or disease. "Clinical correlation" means checking the history and physical to see if the notable finding has any meaning in the patient's life.

"Clinical correlation" is taking the diagnostic study, for example an x-ray, and considering it in light of the whole patient picture, including history and exam, as well as other testing, in order to come up with a diagnosis or list of possibilities.

When interpreting a biopsy, or an imaging study (xray, CT, ultrasound, or MRI, among others), sometimes a particular finding can mean different things in different clinical situations. When a lab technician or radiologist comes across a finding which may mean multiple things, they say "please correlate with clinical findings" or "clinical correlation requested" or "clinical correlation essential" to indicate that the finding may mean several things, in different circumstances. For an eg: in a biopsy it may say Acantholysis, Dyskeratosis, and Spongiosis consistent with Grovers Disease. But these three results can be found in many other skin conditions, especially bullous (blistering) conditions.

In medicine, "clinical findings" are observable signs of a particular condition or disease, along with symptoms as reported by the patient. A test, as explained above, is "correlated" or "compared to" or "compared with" the observable signs and reported symptoms before a final diagnosis is made. Clinical findings can be made any time a physician examines and interviews a patient; most often, this occurs in a doctor's office or while a patient is in the hospital.

It means that the tests must be correlated (compared with) the observable signs and reported symptoms before a final diagnosis is made.
clinical correlation is suggested
When interpreting an imaging study (xray, CT, ultrasound, or MRI, among others), sometimes a particular finding can mean different things in different clinical situations. When a radiologist comes across a finding which may mean multiple things, a radiologist says "please correlate with clinical findings" or "clinical correlation requested" to indicate the finding may mean several things in different circumstances.

For example, on a chest Xray there may be some opacities in a lung field. That, combined with the clinical information that the patient has a high fever, with yellow sputum, high white blood cell count, and is a young woman without other medical problems--then the leading suspicion is that it is an infection, likely pneumonia. On the other hand, if the clinical information is that the patient has just had minor surgery, no fever, has some shallow breaths, then it's more likely that the opacities can be due to atelectasis.

STD stands for Sexually Transmitted Disease. Some of them are not only transmitted sexually, but in other ways too. Some STDs include AIDS/HIV, Chlamydia, Gonorrhea, Heapatitis B & C, Herpes and many others.
It is a sexually transmitted disease.
STDs are diseases that are usually transmitted via sexual contact.
STD stands for sexually transmitted diseases. It could also be called STI, which is sexually transmitted infection.
sexually transmitted disease
STD sexually transmitted disease while STI is sexually transmitted infection. They are the same thing just different terminology.
Sexually transmitted disease (STD) is a term used to describe more than 20 different infections that are transmitted through exchange of semen, blood, and other body fluids; or by direct contact with the affected body areas of people with STDs. Sexually transmitted diseases are also called venereal diseases. For the source and more detailed information concerning this subject, click on the related links section (Answers.com) indicated below this answer box.
STDs are sexually transmitted diseases which usually consist of bacterial (such as gonorrhea, syphilis, and chlamydia); viral (such as HPV, HIV, HBV, and herpes) and protozoa (such as Trich).
STD stands for Sexually Transmitted Disease. When people engage in sex, they can infect each other with a variety of diseases, which can be very serious. These include syphilis, gonorrhea, chlamydia, the Human Immunodeficiency Virus (HIV), herpes, genital warts (human papilloma virus or HPV) etc.
An STD is a Sexually Transmitted Disease.
Sexually transmitted disease
STDs means sexually transmitted diseases.
STD stands for sexually transmitted disease.
STD stands for sexually transmitted disease and can be a viral or bacterial infection. In almost all cases, it is caused by coming in contact, sexually, with an infected person.
STD is sexually transmitted disease and STI is sexually transmitted infection. They are the same thing. they are just different ways of saying it. NORMAL people say STD
The definition of STI, which is sexually transmitted infection, is an infection which is transmitted by sexual contact with an infected person.
STDs are called Sexually transmited diseases and are caused by unprotected sex. you contract and STD from somebody that has one thru sexual intercourse. There are many stds, and some are life threatning. the pills doesnt protect you from an Std, the only thing that can protect you is a condom. a very common std is chlymidia, if left untreated it can cause infertlity (means u cant have babies). It is importants to use a condom to prevent stds such as HIV, Chlymidia etc.
transmitted sexual diseases are diseases contracted by having sexual intercoarse. (AIDS is an example)
A sexually transmitted disease (STD) is a disease transmitted through sexual contact. Oral and Anal sex are not excluded. The diseases can live in those... regions as well.

Some STD's are curable, such as Gonorrhea, Syphilis, Chlamydia, Trichomoniasis, etc.

Some are not, such as Herpes Simplex and AIDS.
Sexually transmitted diseases (STDs) are passed from one person to another by oral, anal, or vaginal sex. The can also be spread by sharing sex toys or by genital/genital contact. STDs include: chlamydia, trichomoniasis, herpes (viral), gonorrhea, syphilis, warts (genital), human papillimavirus (HPV).

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GFR on a blood test stands for Glomerular Filtration Rate. This test is used to used to test how well the kidneys are working. It estimates how much blood passes through the filters in the kidney, called the glomeruli, every minute.

The normal value for GFR is 130-140 ml /min of creatinine(a substance used to check kidney functioning)
glomerular filteration rate, this test is done to check the kidney function.
GFR stands for glomerular flow rate. It provides an index for the function of the kidneys.