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21 Possible Causes for Dyspnea with Sudden Onset, PaO2 Decreased, Patient Appears Acutely Ill

  • Acute Respiratory Distress Syndrome

    Definition Acute respiratory distress syndrome (ARDS), is a life-threatening condition which is characterised by the sudden onset of severe dyspnea and hypoxaemia [1].[physio-pedia.com] PaO2/FiO2 ratio (a decreased PaO2/FiO2 ratio indicates reduced arterial oxygenation from the available inhaled gas): mild ARDS: 201 – 300 mmHg ( 39.9 kPa) moderate ARDS:[en.wikipedia.org] (a decreased PaO2/FiO2 ratio indicates reduced arterial oxygenation from the available inhaled gas): · mild ARDS: 201 - 300 mmHg ( 39.9 kPa) · moderate ARDS: 101 - 200 mmHg[faron.com]

  • Congestive Heart Failure

    BACKGROUND: The effect of warfarin on the risk of cardiovascular (CV) disease is unknown among chronic hemodialysis patients with atrial fibrillation (HD-AF). METHODS: Population-based propensity score and prescription time-distribution matched cohort study including 6719 HD-AF patients with CHA 2 DS 2 -VASc score[…][ncbi.nlm.nih.gov]

  • Pulmonary Embolism

    Consecutive patients with clinically suspected pulmonary embolism, defined as a sudden onset of dyspnea, sudden deterioration of existing dyspnea, or sudden onset of pleuritic[doi.org] “In summary, we found that the most reliable indicator of patients with PE is sudden onset dyspnea.[clinicalprediction.com] Symptoms of pulmonary embolism are typically sudden in onset and may include one or many of the following: dyspnea (shortness of breath), tachypnea (rapid breathing), chest[en.wikipedia.org]

  • Pneumococcal Pneumonia

    Infected patients typically have an ill or anxious appearance.[symptoma.com] Initially a viral illness is followed by an acute onset of high fever, rigors, productive cough, chest pain, dyspnea, tachypnea, tachycardia, excess perspiration, general[symptoma.com]

  • Aspiration Pneumonia

    Aspiration of leguminous vegetables can cause a granulomatous pneumonitis know as lentil aspiration pneumonia that manifest on radiologic studies with small, poorly defined nodular opacities. We report two cases of lentil aspiration pneumonia that manifested with nodules up to 1.0 cm in diameter on radiographs and CT,[…][ncbi.nlm.nih.gov]

  • Carbon Monoxide Poisoning

    Carbon monoxide poisoning is a major cause of illness and death in the United States. Most cases result from exposure to the internal combustion engine and to stoves burning fossil fuels. Most cases of accidental exposure are preventable if proper precautions are taken; however, when cases arise, their[…][ncbi.nlm.nih.gov]

  • High Altitude Pulmonary Edema

    The ascent associated decrease in PaO2 correlated with the increase in IL-6 (r 0.46, p 0.001), but not suPAR (r 0.27, p 0.08); the increase in IL-6 was not correlated with[ncbi.nlm.nih.gov]

  • Pneumothorax

    […] lines mechanical ventilation bronchoscopy penetrating trauma non- penetrating trauma blunt trauma is most common cause severe coughing can also cause Presentation Symptoms sudden-onset[step2.medbullets.com] Due to this there is a decrease in vital capacity as well as a decrease in PaO2 which is the main consequence of a pneumothorax.[physio-pedia.com] Patients with pneumothorax present with sudden-onset dyspnea , ipsilateral chest pain , diminished breath sounds, and hyperresonant percussion on the affected side.[amboss.com]

  • Acute Cor Pulmonale

    Pulmonary embolism should be suspected in patients with sudden onset dyspnea, chest pain, and tachycardia.[ncbi.nlm.nih.gov] In cases of sudden onset isolated dyspnea, a more central PE with more significant hemodynamic problems should be suspected, rather than pulmonary infarction syndrome.[ncbi.nlm.nih.gov]

  • Bacterial Pneumonia

    Sudden onset of symptoms and rapid illness progression are associated with bacterial pneumonias.[emedicine.medscape.com] Chest pain, dyspnea, hemoptysis (when clearly delineated from hematemesis), decreased exercise tolerance, and abdominal pain from pleuritis are also highly indicative of a[emedicine.medscape.com]