|
Methoglobenemia
|
|
|
Drugs
|
– Dapsone,
– Nitrates
– Benzocaine
|
|
S/S
|
– Bluish discoloration
– Hypoxemia
– If things go severe (>50% of Hgb): SZ, AMS, Resp Depression.
|
|
Dx
|
-Pulse oximetry: -85%02
-ABG: false ⤴️ Pa02
-(Large 02 Gap)
|
|
Tx
|
D/C drug + Methylene Blue
|
|
Porphyria Cutanea Tarda
|
|
|
S/S
|
· Mainly skin Sx
· Blisters,
· Hypopigmentation/hyperpigmentation on sun-exposed areas
· Scarring and calcification
|
|
Associations
|
· Hep C
· Alcoholic
· Estrogen
· Smoking
|
|
Dx
|
· Mild ⤴️ LFTs
· Iron ⤴️
· ⤴️ plasma or urine porphyrin levels
|
Fast HY Review 