CBS-1 – SATS Academy

CBS 1 - Set 2 - EPIC 2 Spring 2025

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Question No. 1

i) What is the diagnosis?

Acute cyanide intoxication

ii) How do you treat?

100% O2

Amyl nitrate/ Sodium nitrite

Sodium thiosulphate

Hydroxocobalamin

Decontamination

Question No. 2

i) What is the likely diagnosis?

Sick euthyroid syndrome

ii) How to confirm?

Increased reverse T3

Question No. 3

i) What is your interpretation?

Rhabdomyolysis

AKI

ii) How do you treat?

Normal saline, 200-1,000 mL/hr, is recommended if no contraindications for volume load

Administration of bicarbonate and mannitol will reduce the incidence of renal failure

Question No. 4

i) What is the most likely cause of anaemia based on the above report?

Megaloblastic anaemia due to folate deficiency

ii) Can you name 3 other causes for this type of anaemia?

Alcoholism, Malabsorption syndrome, Methotrexate overdose

Question No. 5

i) What is seen in this ventilatory trend?

Isolated increase in PIP

ii) What is the most likely cause?

It is most likely due to increasing airway resistance (obstruction, bronchospasm)

Question No. 6

i) How will you manage? Please justify.

Rule out any obstruction/secretion

Optimize ventilator (↑FiO2, PEEP)

Switch to VCV

Accept Raised ETCO2 (Permissive Hypercapnia)

Consider prone ventilation/Inverse ratio/ECMO

Question No. 7

i) Interpret the ECG – what is your suspected diagnosis?

RV overload/strain pattern

Pulmonary embolism

Question No. 8

i) Interpret the following graphics

Block in arterial access and drop in blood return to system

Question No. 9

i) What's your diagnosis?

Non convulsive status epilepticus

Question No. 10

i) Comment on the CVP tracing

Large A wave due to junctional rhythm

Changes to normal with return of sinus rhythm