Urine Dipstick: Nitrates and Nitrites

10 years ago

On an urine dipstick for suspected UTI, it is not uncommon to find positive nitrites. Nitrates are normally excreted by…

What is the “Whiff” test?

10 years ago

“Whiff” test => Mix patient's vaginal secretions with potassium hydroxide (KOH) 10% solution. A subsequent fishy odor indicates production of…

Urinary Tract Infections (UTI): KEEPS Mnemonic

10 years ago

Urinary tract infections are a common problem seen in both the outpatient and inpatient setting. For community-acquired UTIs, (KEEPS) is…

Ascites Fluid Wave Test: Why a hand on the abdomen?

10 years ago

Ascites: Defined as free fluid in the abdominal cavity. The fluid wave is a very specific test (82-92%) for detecting…

Pregablin (Lyrica) vs Gabapentin (Neurontin)

10 years ago

SIMILARITIES Both medications are often used to treat neuropathic pain and epilepsy Mechanism: Both work via inhibition of Ca+ influx and…

Hyperprolactinemia and Hypothyroidism: Mechanism

10 years ago

Hyperprolactinemia is one of the most common endocrine disorders in the hypothalamic- pituitary axis. Although the most common etiologies of…

Wolff Parkinson White Syndrome: Why to avoid Beta Blockers?

10 years ago

Wolff Parkinson White Syndrome (WPW) is a pre-excitation tachyarrhythmia (SVT or Afib) characterized by a shortened PR interval along with…

Wolff-Chaikoff Effect vs. Jod-Basedow Phenomenon

10 years ago

Wolff-Chaikoff Effect: Iodine induced hypothyroidism. Can occur in normal or hyperthyroid state. Can be used as treatment against hyperthyroidism (i.e…

Pheochromocytoma: Why Alpha and Beta Blockers?

10 years ago

Pheochromocytoma= A rare catecholamine producing tumour that originate from chromaffin cells in the adrenal medulla. Patients classically present with: paroxysmal…

What Bacteria is Associated with Guillain-Barré syndrome (GBS)?

10 years ago

Campylobacter jejuni has been shown by several studies to be strongly associated with Guillain-Barré syndrome (GBS). In the landmark Kuroki…

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