Inadequacy of macro-nutrients is just one cause of fatigue, and pumping yourself with Vitamin B12 shots will not help if the root cause is unrelated to B12 deficiency
DUI Drugs Where drugs are the only impairing substance suspected (no smell of alcohol or admission of consuming alcohol), a breathalyzer cannot detect or quantify any drugs, except ethanol (alcohol)
What to expect in the ER Testing may include an electrocardiogram (ECG), blood tests for heart enzymes (troponin), chest X-ray, and possibly CT/MRI for neurological symptoms
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CA-125 elevation occurs in multiple gynecologic and non-gynecologic conditions, limiting its discriminatory value