RNCHAMPS

RNCHAMPS (pronounced "R, N, champs") is a mnemonic acronym used by some medical professionals to recall the types of shock. The mnemonic is alternately known as CRAMPS NH ("Cramps, New Hampshire") or NH-CRAMPS ("New Hampshire cramps").[1] Its utility in distinguishing types of shock has been discussed in medical literature and reference material concerning emergency medicine,[1] emergency medical services,[2] fire rescue,[3] and specialized courses such as the Comprehensive Advanced Life Support Program.[4]

The acronym

Component of acronym Examples: Traumatic Causes Examples: Medical Causes
R Respiratory Flail chest; tension pneumothorax; pleural effusion[2] Hypoxemia due to COPD, asthma, pulmonary edema[2]
N Neurogenic Traumatic brain injury; cervical or high thoracic spinal cord injury[5]
C Cardiogenic Cardiac tamponade; tension pneumothorax; pulmonary embolism[6] Left ventricular myocardial infarction; cardiomyopathy; bradydysrhythmias[6][7]
H Hypovolemic Hemorrhage; burns (due to third spacing)[7] Dehydration; diarrheal diseases; aortic aneurysm[7]
A Anaphylactic Anaphylaxis[8]
M Metabolic Hypoventilation due to traumatic brain injury or tension pneumothorax[9] Diabetic ketoacidosis; hypoventilation due to COPD, asthma, or severe pneumonia[9]
P Psychogenic Sudden emotional stimulus, i.e. terror, elation, or surprise[7]
S Septic Osteomyelitis; infections secondary to burns[10] Meningitis; bacteremia; pyelonephritis; upper respiratory infection[10]

Alternatives

The Comprehensive Advanced Life Support (CALS) Program uses a slightly different acronym called "SHRIMPCAN."[4] This acronym adds the letter "I", which stands for "Ingestions" (drug overdoses). The remainder of the letters in the acronym stand for the same components as the RNCHAMPS mnemonic.[4]

References

  1. 1 2 Emergency: Volume 28, Issues 7-12. Bobit Publishing Company. 1996. p. 28.
  2. 1 2 3 Mistovich, Joseph J.; Karren, Keith J.; Hafen, Brent (July 18, 2013). Prehospital Emergency Care (10th ed.). Prentice Hall. ISBN 978-0133369137.
  3. ↑ Roosevelt, Jason (July 3, 2008). "Mobility and Movement: Shock". Phoenix Fire Department. p. 197.
  4. 1 2 3 Comprehensive Advanced Life Support Provider Manual. 3rd (14th ed.). Comprehensive Advanced Life Support Program. January 2016. p. 693. Retrieved February 1, 2016.
  5. ↑ Mack EH 2013. "Neurogenic Shock" (PDF). The Open Pediatric Medical Journal. 7 (Suppl 1:M4): 16–18. doi:10.2174/1874309901307010016. Retrieved February 1, 2016.
  6. 1 2 Harjola VP, Lassus J 2015; et al. "Clinical picture and risk prediction of short-term mortality in cardiogenic shock". European Journal of Heart Failure. 17 (5): 501–509.
  7. 1 2 3 4 Snyder, Ed; Walker, Melanie. "Shock" (PDF). Huntington Memorial Hospital. Retrieved February 1, 2016.
  8. ↑ Kounis NG, Soufras GD, et al. "Anaphylactic Shock: Kounis Hypersensitivity-Associated Syndrome Seems to be the Primary Cause". North American Journal of Medical Sciences. United States National Library of Medicine, National Institutes of Health. 5 (11): 631–636. doi:10.4103/1947-2714.122304. PMC 3877435Freely accessible.
  9. 1 2 Vincent J-L; De Backer D 2013. "Circulatory Shock". New England Journal of Medicine. 369: 1726–1734. doi:10.1056/NEJMra1208943. Retrieved February 1, 2016.
  10. 1 2 Angus DC; van der Poll, T 2013. "Severe Sepsis and Septic Shock". New England Journal of Medicine. 369: 840–851. doi:10.1056/NEJMra1208623.
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