The hypoxia-induced tachycardia led to an increase in cardiac output that occurred from an increase in sympathetic activity, given that plasma norepinephrine concentration has been found elevated in previous studies that tested acute hypoxia
at rest or exercise (13,14).
However, it is unknown whether it also modulates the hemodynamic reactions to acute hypoxia
, cardiac baroreflex sensitivity (BRS) and if there is any effect of dopamine withdrawal .
2] decreases with exposure to acute hypoxia
and that this decrease in PETC[O.
Cerebral artery dilatation maintains cerebral oxygenation at extreme altitude and in acute hypoxia
- An ultrasound and MRI study.
However, if hypoxia progresses gradually, tumour cells are likely to produce angiogenic factors in response to environmental cues; therefore, tumour necrosis is most likely induced by acute hypoxia
Several authors showed contrary outcomes for the impact of acute hypoxia
on selected physiological variables and thresholds.
At an inquest into the death, HM Coroner Louise Hunt recorded a narrative verdict and said: "Lewis died from acute hypoxia
which occurred during labour because he had a small placenta.
in tumors: implications for modifiers of radiation effects.
1] 4 Yes Routine 5 Yes Routine 6 No Acute hypoxia
7 Yes Routine 8 Yes Acute hypoxia
and dyspnea 9 Yes Acute hypoxia
10 Yes Respiratory failure 11 Yes Cough/fever 12 Yes Decreased [FEV.
Plasma adrenocorticotrophin and cortisol responses to acute hypoxia
at rest and during exercise.
Shortly after the first report on the effect of acute hypoxia
on K* channels was published , Smirnov et al.
Hearing thresholds under acute hypoxia
and relationship to slowing in the auditory modality.