WHAT IS IT? Drop in blood pressure of more than 10 mmHg during inspiration phase. Technically not "paradoxical". It is…
Patients on Monoamine oxidase inhibitors (MAO) inhibitors (especially MAO-A inhibitors or non-selective MAO inhibitors) are advised to avoid Tyramine rich foods.…
A granuloma is a focal, compact collection of inflammatory cells (i.e histocytes). "Caseation" (translation "turning to cheese"). Non caseating aka Non-necrotizing…
Hypercalcemia affects up to a third of cancer patients and malignant hypercalcemia is the most common oncological emergency leading to…
Azotemia => Characterized by increased levels of nitrogen-containing compounds (i.e urea, BUN) NOT severe enough to cause symptoms. Uremia =>…
Renal disorders, especially nephrolithiasis, are observed in one-third of patients with Crohn's disease, probably related to increased oxalate absorption associated…
Rarely, there can be purple discoloration of the urine, collecting bag, and tubing (the purple urine bag syndrome). The purple…
H. pylori that colonizes the gastric mucosa will produce an enzyme called Urease (catalyzes the breakdown of urea to produce…
On an urine dipstick for suspected UTI, it is not uncommon to find positive nitrites. Nitrates are normally excreted by…
“Whiff” test => Mix patient's vaginal secretions with potassium hydroxide (KOH) 10% solution. A subsequent fishy odor indicates production of…
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