All articles tagged with #lab tests
An increasing number of patients are ordering their own lab tests online without medical consultation, leading to challenges for doctors in interpreting results and integrating them into care, as patients seek immediate health insights outside traditional medical pathways.
The article highlights five outdated lab tests—total serum vitamin B12, serum iron, creatinine, total testosterone, and total cholesterol—that clinicians should replace with more precise, evidence-based biomarkers like holotranscobalamin, ferritin with CRP, cystatin C, free testosterone, and apolipoprotein B to improve diagnosis and patient care.
The iPhone Air, despite its smaller battery, generally lasts a full day of typical use according to both lab and real-world tests, performing comparably to other recent iPhone models, with decent charging speeds and consistent endurance.
Continuous glucose monitors (CGMs) offer real-time insights into blood sugar levels, helping to detect fluctuations and improve diabetes management beyond traditional lab tests. They can identify issues like post-meal spikes and nocturnal highs, and are especially useful for children and the elderly. However, their use in healthy individuals is cautioned due to potential anxiety and misinterpretation. Dietary factors like mangoes can influence blood sugar, highlighting the importance of comprehensive monitoring.
To determine if supplements are effective, monitor physical and mental changes, consider the time frame for results, use lab tests to track nutrient levels, and choose reputable brands with third-party verification, all under the guidance of a healthcare professional.
The Food and Drug Administration (FDA) has proposed a rule to regulate laboratory developed tests (LDTs), including those used for cancer diagnosis and prenatal screening, citing concerns about their reliability and potential harm to patients. LDTs are developed and used in a single laboratory and currently do not require FDA review. The proposed rule would require some tests to undergo agency review before being offered to patients. However, opposition from academic medical centers and commercial laboratories argues that FDA regulation would stifle innovation. The FDA's move aims to address a significant gap in the healthcare system, but critics may attempt to block the final rule through legal action.
New lab tests that can detect traces of the alpha-synuclein protein, which is linked to Parkinson's disease, may revolutionize research and accelerate diagnosis. The SYNTap test, which looks for seeds of the misfolded protein in spinal fluid, was found to be accurate in detecting Parkinson's disease in a study of 1,100 participants. While the test won't change how patients are treated, it may bring peace of mind that their diagnosis is correct. The goal is to detect the disease before movement is impaired, and researchers hope to translate their results to other biological samples such as blood or saliva.