Skip to main content
MedVellum
QuestionsVideosPricing

MedVellum

Fellowship exam preparation across every specialty: source-verified topics, questions in every format, and videos.

Product

  • Specialties
  • Questions
  • Videos
  • Exam tools
  • Pricing

Verification & policy

  • Verified register
  • Editorial policy
  • Privacy
  • Terms

Account

  • Sign in
  • Create account
  • Dashboard
  • Account & billing

© 2026 MedVellum. For education only — not a substitute for clinical judgement.

llms.txtPsychiatry LLM catalogSitemap

ICU SAQsPhysiology / endocrine

ICU SAQs · Physiology / endocrine

The hypothalamic-pituitary-adrenal axis and the stress response

A CICM First Part SAQ — the HPA axis (CRH/ACTH/cortisol), the negative feedback, the cortisol effects, and the critical-illness-related corticosteroid insufficiency (CIRCI).

10 marks10 min1 min readSource-verified ·

Target exams

CICMFFICMEDIC
On this page
Study tools

Target exams

CICMFFICMEDIC
Prompt
Outline the HPA axis and explain how the cortisol changes in the critical illness.

Question

Outline the hypothalamic-pituitary-adrenal (HPA) axis and explain how cortisol physiology changes in critical illness.[1]

ICU Fellowship (CICM) Pro

Continue reading

You have read the opening of this SAQ. The complete unit — every section and its primary-source references — is part of the ICU Fellowship (CICM) fellowship library.

Sign in to continueSee pricing
References3ShowHide
  1. [1]Dutt M, Wehrle CJ, Jialal I Physiology, Adrenal Gland. 2023.PMID 30725945
  2. [2]Marik PE, Pastores SM, Annane D, et al. Recommendations for the diagnosis and management of corticosteroid insufficiency in critically ill adult patients: consensus statements from an international task force by the American College of Critical Care Medicine. Critical care medicine, 2008.PMID 18496365
  3. [3]Annane D, Pastores SM, Rochwerg B, et al. Guidelines for the Diagnosis and Management of Critical Illness-Related Corticosteroid Insufficiency (CIRCI) in Critically Ill Patients (Part I): Society of Critical Care Medicine (SCCM) and European Society of Intensive Care Medicine (ESICM) 2017. Critical care medicine, 2017.PMID 28938253
ICU Fellowship (CICM) Pro

$29/ monthor $279 / year

The complete ICU Fellowship (CICM) library, every exam format, one subscription.

  • Complete library for one chosen specialty
  • Timed MCQ mock exams and spaced review
  • Clinical cases & cross-table vivas
See pricingSign in
PreviousThe gut mucosal barrier and the enteral nutritionGI & nutritionNextThe pulse oximetry — the principle and the limitationsEquipment & physics