What does nadir mean in OB?
A deceleration is a decrease in the fetal heart rate below the fetal baseline heart rate. An early deceleration is defined as a waveform with a gradual decrease and return to baseline with time from onset of the deceleration to the lowest point of the deceleration (nadir) >30 seconds.
What is nadir neutropenia?
Neutrophil levels reach a low point about 7 to 14 days after treatment. This is called the nadir. At this point, you are most likely to develop an infection. Your neutrophil count then starts to rise again. This is because your bone marrow restarts normal production of neutrophils.
What is a nadir level?
The nadir PSA level was defined as the lowest PSA level after PADT. CRPC was defined as the first day when the PSA was increased for three consecutive times or when clear clinical radiological evidence of progressive disease was shown.
What is the synonym of nadir?
In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for nadir, like: lowest point, bottom, depth(s), low-water mark, foot, apogee, opposite and zenith.
What does nadier mean?
1 : the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer.
What does nadir mean in chemotherapy?
When discussing chemotherapy side effects often you will hear the word nadir, mainly in reference to the blood counts, particularly white blood cell count and platelet count. Nadir basically means low point, however further explanation may clarify this term in connection with chemotherapy treatment.
What is platelet nadir?
The mean platelet count nadir is approximately 60×10 9 /L. Alternatively, HIT may be associated with a marked fall in platelet count (≥50% of the initial value) whose nadir is not below 150×10 9 /L. Despite the low platelet count, thrombosis rather than bleeding predominates.
What is nadir hemoglobin?
Nadir haemoglobin was defined as the lowest haemoglobin result during admission for patients not transfused, and the pre-transfusion haemoglobin result for patients transfused.
What does nadir feel like?
That means your white blood cell count will be at its lowest midway between treatments. For example, if you have treatment every 3 weeks, your lowest counts will be at about 7 to 14 days after your treatment. This is called the nadir (pronounced nah-deer). You might feel very tired.
What is the difference between zenith and nadir?
nadir, a term used in astronomy for the point in the heavens exactly opposite to the zenith, the zenith and nadir being the two poles of the horizon. That is, the zenith is directly overhead, the nadir directly underfoot.
What is a nadir photo?
A nadir image is a satellite image or aerial photo of the Earth taken vertically. A satellite ground track represents its orbit projected to nadir on to Earth’s surface.
What does platelet nadir mean?
What does Nadir mean in medical terms?
Nadir is a term that refers to the lowest point of anything. In medical terms, nadir could mean the lowest concentration of a drug in the body. With regard to chemotherapy specifically, it describes the point at which blood cell counts are at their lowest after a chemotherapy treatment.
What does Nadir stand for in medical category?
When discussing chemotherapy side effects often you will hear the word nadir, mainly in reference to the blood counts, particularly white blood cell count and platelet count. Nadir basically means low point, however further explanation may clarify this term in connection with chemotherapy treatment.
What is nadir in chemotherapy?
What does the term nadir mean?
The word nadir comes from the Arabic word ‘nazir’ meaning ‘opposite’. It first appeared in English around the late 14th century, but it wasn’t until 1793 that nadir came to refer to the lowest point or worst part of something. Nadir is a word that refers to the worst time in a situation or a person’s life.