CXR and ABG made easy

Who is your handsome lecturer today?

• Dr. Am

• Dr. Heah

• Dr. Zhafran

• Dr. Wong

Describe the abnormal CXR

• pleural effusion

• lung consolidation

• lung collapse

• Lung mass

Describe the abnormal CXR

• Underpenetrated

• Overpenetrated

• Rotated

• Normal CXR

What is the possible cause of CXR abnormality?

• heart failure

• lung cancer

• obstructive sleep apnea

• COPD

A 40 y.o man presented with SOB. What is the most relevant diagnostic investigation ?

• CT thorax

• bronchoscopy

• pleural tap

• ECHO

describe the abnormal CXR

• pneumonia

• anterior mediastinal mass

• posterior mediastinal mass

• cardiomegaly

A 30 y.o lady presented with lethargy. ABG result

PH 7.20 (7.35 -7.45)

Pco2 30 (35 -45)

Po2 80 (75-100)

Hco3 10 (22-28)

DXT 20

Ketone 3+

What is the next plan?

• fluid resuscitation

• oxygen therapy

• antibiotic

• electrolytes correction

interpret the ABG result

PH 7.50 (7.35 -7.45)

Pco2 50 (35 -45)

Po2 80 (75-100)

Hco3 30 (22-28)

• uncompensated metabolic alkalosis

• partially compensated metabolic alkalosis

• compensated metabolic alkalosis

• partially compensated metabolic acidosis

A 50 y.o man presented with SOB. ABG result

PH 7.20 (7.35 -7.45)

Pco2 50 (35 -45)

Po2 60 (75-100)

Hco3 30 (22-28)

DXT 14

What is the next plan?

• High flow mask

• Fluid resuscitation

• insulin infusion

• venturi mask

what is the possible causes of abnormal ABG as below:

PH 7.50 (7.35 -7.45)

Pco2 30 (35 -45)

Po2 60 (75-100)

Hco3 22 (22-28)

• pneumonia

• COPD

• DKA

• Diarrhea