Search box is loading.....

Friday, August 25, 2000

Pharmacology MCQ Explanation 114

Friday, August 25, 2000

D. Methemoglobinemia

Methemoglobinemia is a condition in which the iron within hemoglobin is oxidized from the ferrous (Fe2+) state to the ferric (Fe3+) state, resulting in the inability to transport oxygen and carbon dioxide.

Clinically, this condition causes cyanosis, often posing a diagnostic dilemma.

  • usually results from exposure to oxidizing substances (such as nitrates or nitrites, aniline dyes, or medications, including lidocaine, prilocaine, phenazopyridine hydrochloride (Pyridium], and others)


0 comments:

Post a Comment

Please Leave your take on these notes and mcqs. Your feedback is much appreciated.

 

Disclaimer

Every effort has been made to ensure that this information is accurate and within generally accepted medical standards.The information given at this site is for educational purposes only and is not sufficient for medical decisions. I disclaim any liability for the acts of any physicians or any other individual who receives any information on any medical procedure through this web site. I accept no legal responsibility for any injury and/or damage to persons or property from any of the suggestions or material discussed herein. The reader should confirm the information in this text using other authoritative source prior to use.

Disclosure Policy

  • I occa­sion­ally make rec­om­men­da­tions and post links for which I get compensation.

  • These rec­om­men­da­tions are based first and fore­most on their merit.

  • Most affil­i­ate links are added inci­den­tally or sub­se­quently. Some links are direct, and do not have any affil­i­a­tion or compensation.

  • Some endorse­ments are obtained through com­pen­sa­tion, such as free review copies.

For More Information see Disclosure Policy

Visitors Since January 2010