Feb 22 Quiz Game – Pediatric Surgery

Welcome to your Congenital Diaphragmatic Hernia Quiz

Name

During the procedure, the size of the cannula sometimes has to be adjusted. What determines the definitive choice of canula size in ECMO cannulation most?

Size of the vessel

Weight of the child

Brand of canula

None

What is the optimal position of tip of the arterial canula in VA-ECMO?

At 4 cm from insertion in carotid artery

In aortic arch

In superior caval vein

In right atrium

None

Several problems can lead to a problematic ECMO-run. What is the most common hemorrhagic problem in ECMO?

Hemolysis (hgb>50mg/dl)

Surgical site bleeding

Cannula site bleeding

Gastro-intestinal bleeding

None

After a VA-ECMO cannulation the X-ray shows the following. What is the best conclusion based on this X-ray?

Adequate position of the cannulas

Venous canula too deep

Arterial canula not deep enough

Venous canula dislocated

Arterial canula in left carotid artery

None

The cannula size in ECMO cannulation has to be determined before starting the procedure. The size can be estimated using age, weight or length. Which of these parameters provides the best fitting cannula?

Age: Gestational age in neonates; Months 1 year

Weight: Kilograms

Length: Centimeters

None

What is the optimal position of tip of the venous canula in VA-ECMO?

At 7 cm from insertion in jugular vein

In superior caval vein

In inferior caval vein

Just above right atrium

In right atrium

None

The size of the defect in the diaphragm (in CDH patients) can be classified by using the Boston scale? What is the correct classification of the defect shown in the picture?

None

Patients with a CHD can have a malrotation of the intestine. In CHD-patients a malrotation is:

True

False

None

Several problems can lead to a problematic ECMO-run. What is the most common mechanical problem?

Thrombosis/clots in the circuit component

Air in the circuit

Canula problems

Oxygenator failure

None

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