51 results
Calcium Oxalate Crystals on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#Calcium #Oxalate #CaOx #Crystals #Cystalluria #Urine #Microscopy #clinical
Oxalate Crystals on Urine ... #Cystalluria #Urine ... clinical #nephrology #toxicology
Glucagon: Bypassing β-Blockade

Glucagon pathophysiology and clinical applications in anaphylaxis and beta-blocker overdose

#Toxicology #Pharmacology #Pathophysiology #Glucagon #BetaBlocker
β-Blockade Glucagon pathophysiology ... beta-blocker overdose #Toxicology ... #Pharmacology #Pathophysiology
Ethylene Glycol Toxicity

#Pathophysiology #Toxicology #EthyleneGlycol #Metabolism #Fomepizole
Glycol Toxicity #Pathophysiology ... #Toxicology #EthyleneGlycol
Alkalinization shifts equilibrium toward the plasma and urine and away from the tissues.

#Management #Toxicology #Salicylate #Aspirin
the plasma and urine ... #Management #Toxicology
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... fluoroquinolones, poppy ... Positive #UDS #Urine ... Screening #diagnosis #toxicology
Metabolic Pathways of Purple Urine Bag Syndrome: Adopted from chart originally published in Purple Urine Bag
Pathways of Purple Urine ... published in Purple Urine ... commonly grown in the urine ... #Pathophysiology ... #PUBS #Purple #Urine
Toxic Alcohol Ingestion
Alcoholic ketoacidosis - Methanol - Ethylene glycol - Isopropyl Alcohol
 • Metabolic Acidosis
 •
Gap • Serum / Urine ... Ingestion #diagnosis #toxicology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... E.coli*) + alkaline urine ... BrighamChiefs #Purple #Urine ... Syndrome #PUBS #pathophysiology
Cyanide Toxicity 
Treatment:
1) Hydroxocobalamin + Cyanide = Cyanocobalamin (nontoxic) 
   or 
2) Amyl nitrite
Cyanide #Toxicity #Toxicology ... #Pathophysiology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... Nephropathy (low urine ... nephropathy (high urine ... Syndrome #TLS #Pathophysiology