Bài thuyết trình tiếng Anh đề tài: Respiratory Acidosis

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Bài thuyết trình tiếng Anh đề tài: Respiratory Acidosis

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  1. Respiratory Acidosis Done by : Ibrahim Ali Al-Sayegh ID# 2021040084 Supervised by : Dr. Ibrahim Saeed    
  2. RESPIRATORY ACIDOSIS Definition:  A Primary increase in arterial PaCO2  leading to decrease in arterial pH .  It  could be Acute or Chronic    
  3. : Causes Either :  alveolar hypoventilation Or  V/P mismatching    
  4. Alveolar hypoventilation : Respiratory Center suppression-1 Can be suppressed by many factors like : drugs Neuromuscular Junction : Ex : mysthenia gravies-2 Respiratory Muscles: Ex : myopathy-3 Pleural Cavity: Ex : pneumothorax-4 :Lung Parenchyma and Airways-5 ( Ex: obstructive lung disease ( BA & COPD Alveolar hypoventilation    
  5. V/P mismatching  pulmonary embolism  Pneumonia  Acute respiratory distress syndrome  Collapsing of alveoli  fibrosis    
  6. Ventilation Perfusion Mismatching    
  7. Alveolar Hypoventilation    
  8. RESPIRATORY ACIDOSIS The Value of “A-a” Gradient:  Calculation: 1. paCo2 X 1.2 = X 2. 150 – X = “A” 3. A (alveolar O2) – a (arterial O2) = A-a gradient.  Normal A-a Gradient = Up to 15 mmHg.  High A-a Gradient Vent Perfusion mismatching.  Normal A-a Gradient Alveolar Hypoventilation.    
  9. ABG finding in repiratory acidosis PH PCO2 HCO3 Acute Decrease normal d increased Chronic o r Normal compensated increased increased    
  10. : Clinical manifestation  Signs and symptoms are related to the degree and duration of respiratory acidosis .  Precipitous rise in PCo2 can lead to :  Confusion , anexity , psychosis , flapping tremor , seizure .  Signs of catecholamines release : diaporesis , increase heart rate and high cardiac output, flushing.  Coma in PCo2 > 60 mmHg ( Co2 narcosis)  Signs of chronic hypercapnia :  Fatigue , lethargy in addition to finding in acute hypercapnia .    
  11. : Treatment  Treatment of repiratory acidosis aimed primarily at :  Correction of underlying cause ( COPD,asthma, pulmonary embolism ….)  And  Ensuring adequate ventilation    
  12. : Roles in management  in management of patient with respiratory acidosis >>> we don’t give him 100% oxygen to not suppress the respiratory center .  Also , sedatives , narcotics are contraindicated unless we will put the pt. on ventilator .  Bicarbonate therapy considered when PH fall below 7.1  Rapid and complete correction may lead to posthypercapnic alkhalosis > specially in patient with chronic respiratory acidosis .    
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