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Ascites Clinical Case Presentation,History Taking & Viva

Questions For Final Year MBBS

 

ASCITES case presentation

Examiner- Look at the patient & examine the patient ,what are your findings

You-

  • generalized distension of abdomen, flanks are full
  • umbilicus is everted.
  • Shifting dullness is present.
  • Fluid thrill is present

 

Q: Why it is ascites?

A:  Because there is shifting dullness (also fluid thrill, which is present in ascites).

Q: What are the causes of abdominal distension?

A:  5F-

  • Fluid
  • Fat
  • Flatus
  • Faeces
  • Foetus

Others: intra-abdominal mass, retention of urine.

 

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Q: What can be the causes of ascites ?

A: Tell the causes of that patient in relation to age, also sex:

• Cirrhosis of liver with portal hypertension (commonest cause, in 80% cases).
• Intra-abdominal malignancy with peritoneal metastasis (in elderly).
• Infection (tuberculous or pyogenic peritonitis).
• CCF.
• Others: Hypoproteinemia due to any cause, Meigs’ syndrome (in female)

 

Q: What is the single investigation to detect ascites?

A:  Ultrasonography

 

Q: What is ascites? How much fluid is required to detect ascites clinically?

A: It is the pathological accumulation of free fluid in peritoneal cavity. Usually 2 L fluid is necessary to detect clinically (at least 1 L is necessary, even in thin person).

 

YOU MUST KNOW-Normally, no or little fluid is present in peritoneal cavity. In female, up to 20 mL may be present, varies with menstruation.

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Q: If the patient has cirrhosis and ascites, what does it indicate?

A: Decompensated cirrhosis with portal hypertension (a bad prognostic sign).

 

Q: What is the character of ascitic fluid in CLD?

A: Usually clear, may be straw or light green and transudative.

 

Q: What investigations you will do in case of ascites?

A: As follows (according to suspicion of cause):

1. USG of abdomen (to see liver, spleen, para-aortic lymph nodes, neoplasm, ovary in female to exclude Meigs’ syndrome).

2. If CLD is suspected: LFT should be done (see in CLD).

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3. CBC (high ESR in TB, leucocytosis in pyogenic infection. Pancytopenia with splenomegaly indicates hypersplenism).

4. Chest X-ray (to see TB,chronic constrictive pericarditis, May be pleural effusion).

5. Ascitic fluid aspiration

 

Q. Do you know about SAAG?

A: It is the difference of albumin between serum and ascitic fluid (calculated by serum albumin minus ascitic albumin).

It is the single test to differentiate ascites due to portal hypertension from non-portal hypertension.

• If the gradient is .1.1 g/dL, it indicates CLD with portal hypertension.
• If ,1.1, no portal hypertension (Indicates ascites due to non-portal hypertension. It is 97% accurate.)

 

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YOU MUST KNOW- Ascites protein >25 g/L and SAAG >1.1 g/dL is usually suggestive of portal hypertension.

 

Q: What are the complications of ascites?

A:  As follows:

• SBP.
• Hepatorenal syndrome.
• Mesenteric vein thrombosis.

 

YOU MUST KNOW-

Ascites may be exudative or transudative

1. Transudative causes (protein <25 g/L):

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• Cirrhosis of liver with portal hypertension.
• Nephrotic syndrome.
• CCF.
• Meigs’ syndrome.

2. Exudative causes (protein >25 g/L):

• Peritonitis (TB and pyogenic).
• Malignancy.
• Collagen disease.
• Myxoedema.

 

Q: What is refractory ascites? What are the causes? How to treat?

A:  Persistence of ascites despite maximum diuretic therapy (up to 400 mg spironolactone and 160 mg furosemide per day) with salt and water restriction, is called refractory ascites.

Causes are:

• Poor compliance.
• Severe hypoalbuminaemia.
• Infection (SBP).
• Development of HCC in cirrhosis or secondary causes like metastasis or TB.

Treatment: See the compliance, correction of albumin, paracentesis, TIPSS, LeVeen shunt, also treatment of primary cause.

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Read also-

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