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734 Possible Causes for Hypercapnia

  • Anemia

    BACKGROUND: Posterior reversible encephalopathy syndrome is a neurotoxic condition that occurs as a result of the failure of posterior circulatory autoregulation in response to acute changes in blood pressure. Overperfusion with resultant disruption of the blood-brain barrier results in vasogenic edema, but not[…][]

  • Acidosis

    CONCLUSION: Patients receiving midazolam had a more than doubled risk of respiratory depression as mirrored by hypercapnia and acidosis, but not hypoxemia.[] Many patients with chronic hypercapnia and respiratory acidosis are also hypoxemic.[] Exercise caution when correcting chronic hypercapnia.[]

  • Asthma

    Hypercapnia is generally well tolerated as long as PaCO 2 does not exceed 90 mmHg and acute variations in PaCO 2 are avoided.[] Death from asthma in mechanically ventilated patients appears to be further decreased after the application of the 'permissive hypercapnia technique'.[] Permissive hypercapnia, increase in expiratory time, and promotion of patient-ventilator synchronism are the mainstay in mechanical ventilation of status asthmaticus.[]

  • Chronic Obstructive Pulmonary Disease

    Before mechanical ventilation, coma could be confirmed to be due to CO2 narcosis caused by exorbitant arterial hypercapnia (PCO2, 193 mm Hg).[] […] oxygen concentration remains a constant independent of minute ventilation, this system is particularly useful in patients with chronic obstructive pulmonary disease who have hypercapnia[] All patients requiring hospitalization for an acute exacerbation should undergo testing to quantify hypoxemia and hypercapnia. Hypercapnia may exist without hypoxemia.[]

  • Sleep Apnea Syndrome

    An arterial blood gas analysis showed hypercapnia. Polysomnography showed a respiratory disturbance index of 108 events/h, and all were central apnea events.[] Sleep apnea syndrome is a disorder of abnormal respiration during sleep that results in a combination of hypoxemia and hypercapnia.[]

  • Congestive Heart Failure

    These SRDB cause arousals, hypoxemia-reoxygenation, hypercapnia-hypocapnia, and changes in intrathoracic pressure.[] Respiratory muscle fatigue may be diagnosed by a decrease in respiratory rate, associated with hypercapnia and confused state of mind.[] […] both CSA and OSA, is associated with three immediate adverse biological consequences: A) arterial blood gas abnormalities consisting of repetitive episodes of hypoxemia/hypercapnia[]

  • Pulmonary Edema

    […] pre-existing lung disease (but even in patients with chronic obstructive pulmonary disease (COPD), give high oxygen flow initially but monitor with blood gases to ensure hypercapnia[] Care is required when giving oxygen if the patient has lung disease as oxygen can reduce respiratory drive causing hypercapnia (respiratory failure).[] Non-invasive ventilation should be considered in dyspnoeic patients with pulmonary oedema and a respiratory rate 20 breaths/minute to improve breathlessness and reduce hypercapnia[]

  • Obstructive Sleep Apnea

    Six months later, severe hypoxemia without hypercapnia was noted. Contrast transthoracic echocardiography showed right-to-left shunt through a patent foramen ovale.[] The respiratory pauses may induce hypercapnia or hypoxia. Cardiac arrhythmias and elevation of systemic and pulmonary arterial pressures may occur.[] Obstruction of the upper airways apnea partial pressure of oxygen in arterial blood ( PaO 2 ) , partial pressure of carbon dioxide in arterial blood ( PaCO 2 , also known as hypercapnia[]

  • Acute Respiratory Distress Syndrome

    Hypercapnia and hypoxemia persisted despite ventilator support even at traumatic levels.[] We performed subgroup analysis by sex and assessment of arterial partial pressure of carbon dioxide (PaCO 2 ) management where hypercapnia was potentially physiologically[] PEEP will be titrated individually against peripheral oxygen saturation, targeting lower tidal volumes by a permissive approach to hypercapnia.[]

  • Hypercapnia

    Hypercapnia is defined as carbon dioxide levels more than 45mmHg.[] In this situation the hypercapnia can also be accompanied by respiratory acidosis. [8] Diagnosis [ edit ] Laboratory values [ edit ] Hypercapnia is generally defined as a[] However, the correction of hypoxia overrides strategies to avert oxygen-related hypercapnia.[]

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