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  2. Pulmonary regurgitation - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_regurgitation

    Pulmonary regurgitation. Pulmonary (or pulmonic[4]) regurgitation (or insufficiency, incompetence) is a condition in which the pulmonary valve is incompetent [5] and allows backflow from the pulmonary artery to the right ventricle of the heart during diastole. [6] While a small amount of backflow may occur ordinarily, it is usually only shown ...

  3. Respiratory failure - Wikipedia

    en.wikipedia.org/wiki/Respiratory_failure

    Respiratory failure results from inadequate gas exchange by the respiratory system, meaning that the arterial oxygen, carbon dioxide, or both cannot be kept at normal levels. A drop in the oxygen carried in the blood is known as hypoxemia; a rise in arterial carbon dioxide levels is called hypercapnia. Respiratory failure is classified as ...

  4. Acute respiratory distress syndrome - Wikipedia

    en.wikipedia.org/wiki/Acute_respiratory_distress...

    3 million per year [ 1 ] Acute respiratory distress syndrome (ARDS) is a type of respiratory failure characterized by rapid onset of widespread inflammation in the lungs. [ 1 ] Symptoms include shortness of breath (dyspnea), rapid breathing (tachypnea), and bluish skin coloration (cyanosis). [ 1 ] For those who survive, a decreased quality of ...

  5. Pulmonic stenosis - Wikipedia

    en.wikipedia.org/wiki/Pulmonic_stenosis

    When pulmonic stenosis (PS) is present, resistance to blood flow causes right ventricular hypertrophy. If right ventricular failure develops, right atrial pressure will increase, and this may result in a persistent opening of the foramen ovale, shunting of unoxygenated blood from the right atrium into the left atrium, and systemic cyanosis.

  6. Respiratory compromise - Wikipedia

    en.wikipedia.org/wiki/Respiratory_compromise

    Respiratory compromise. Respiratory compromise describes a deterioration in respiratory function with a high likelihood of rapid progression to respiratory failure and death. [1] Respiratory failure occurs when inadequate gas exchange by the respiratory system occurs, with a low oxygen level or a high carbon dioxide level.

  7. Right ventricular hypertrophy - Wikipedia

    en.wikipedia.org/wiki/Right_ventricular_hypertrophy

    Right ventricular hypertrophy (RVH) is a condition defined by an abnormal enlargement of the cardiac muscle surrounding the right ventricle. The right ventricle is one of the four chambers of the heart. It is located towards the right lower chamber of the heart and it receives Deoxygenated blood from the right upper chamber (right atrium) and ...

  8. Pulsus paradoxus - Wikipedia

    en.wikipedia.org/wiki/Pulsus_paradoxus

    Pulsus paradoxus can be caused by several physiologic mechanisms. Anatomically, these can be grouped into: [1] cardiac causes, pulmonary causes and; non-pulmonary and non-cardiac causes. Considered physiologically, PP is caused by: [citation needed] decreased right heart functional reserve, e.g. myocardial infarction and tamponade,

  9. Heart murmur - Wikipedia

    en.wikipedia.org/wiki/Heart_murmur

    One may hear it at the left lower sternal border. A palpable S2 in the second left intercostal space correlates with pulmonary hypertension due to mitral stenosis. The cooing dove murmur is a cardiac murmur with a musical quality (high pitched). Associated with aortic valve regurgitation (or mitral regurgitation before rupture of chordae).

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