8 results
Methemoglobinemia - Hand of a young person with headache and dyspnea shortly after starting dapsone. 
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Methemoglobinemia ... DavidJuurlink/ #Methemoglobinemia
Toxicologic Assessment of Cyanosis (Goldfrank’s Toxicology)
#Diagnosis #Management #Toxicology #Cyanosis #Methemoglobinemia #Assessment #Algorithm
Toxicology #Cyanosis #Methemoglobinemia
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
Diagnosis #Toxicology #Methemoglobinemia
Causes of Cyanosis - Differential Diagnosis Algorithm
Central Cyanosis due to pulmonary or cardiac causes
Methemoglobinemia 
Sulfhemoglobinemia
Methaemalbuminaemia
Pseudocyanosis

#Causes #Cyanosis
cardiac causes Methemoglobinemia
Cyanide Toxicity 
Treatment:
1) Hydroxocobalamin + Cyanide = Cyanocobalamin (nontoxic) 
   or 
2) Amyl nitrite
nitrite - causes methemoglobinemia
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
malformations (PAVMs) - Methemoglobinemia
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
Post-cardiopulm bypass, Methemoglobinemia
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Carbon monoxide - Methemoglobinemia