We're unable to sign you in at this time. Please try again in a few minutes.
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
Other Articles |


Am J Dis Child. 1923;26(1):91-102. doi:10.1001/archpedi.1923.04120130094009.
Text Size: A A A
Published online

This paper has for its object the clearing up of certain etiologic and therapeutic misconceptions which have long been applied to the condition commonly known as pylorospasm. To date, my own observations on this subject have been entirely clinical. They have been reinforced, so to speak, by the physiologic and pharmacologic findings of others.

RELATION BETWEEN "PYLOROSPASM" AND CONGENITAL HYPERTROPHIC PYLORIC STENOSIS  In some of our best textbooks on pediatrics, pylorospasm is considered secondarily in the discussion of congenital hypertrophic pyloric stenosis. The good results of surgery in the latter condition, and the opportunity for study of such cases on the operating table, may well be held responsible for the tendency to regard pylorospasm as a localized phenomenon, strictly confined to the pylorus, and often associated with organic hypertrophy. Such local spasm, plus increasing pyloric induration, has been advanced by many as the reason why infants with hypertrophic pyloric stenosis


Sign in

Purchase Options

• Buy this article
• Subscribe to the journal

First Page Preview

View Large
First page PDF preview





Also Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
Please click the checkbox indicating that you have read the full article in order to submit your answers.
Your answers have been saved for later.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
Submit a Comment


Some tools below are only available to our subscribers or users with an online account.

Sign in

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

Customize your page view by dragging & repositioning the boxes below.