Medlab Relayed

Medical Laboratory Science made simple 🧪 Daily lab tips, quizzes & study help for MLS students and scientists. #MedLabRelayed

[Medlab Relayed @MedlabRelayed]

Save this! 🧪 The blood tube cheat sheet every MLS student needs. Which tube do you still mix up? 👇 #MedLab #MLS #MedLabRelayed

[Medlab Relayed @MedlabRelayed]

The vitamin is Vitamin A (retinol). Cod liver oil is very rich in preformed vitamin A, and months of high doses build up in the liver (stored in stellate cells), causing hypervitaminosis A, fibrosis, cirrhosis and liver failure. Vitamin D can also reach toxic levels. #MedLab #MLS

[Dr. AK 🇮🇳 @docakx]

A 25-year-old man is fighting for his life in the ICU with LIVER FAILURE. He took six cod liver oil capsules a day for the last two months to boost his daily omega-3 intake.

Nobody told him cod liver oil also contains vitamins that can damage the liver if overdosed.

[Medlab Relayed @MedlabRelayed]

@Chiragrx07 @DrAyubaD Double bubble sign means duodenal atresia: gas in the stomach and the proximal duodenum, with none beyond. About 30% of cases occur in Down syndrome. Presents with bilious vomiting soon after birth; treat with duodenoduodenostomy. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@DrAyubaD Splaying of the carina (widened carinal angle, over 90°). The enlarged left atrium pushes the left main bronchus upward. Also: double right heart border and left atrial appendage bulge. Seen in mitral stenosis. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Dr_Mohammedolog C) Vitamin B3 (niacin). High doses (1-3 g/day) used to lower cholesterol can cause hepatotoxicity, especially with slow-release forms, plus flushing and raised glucose and uric acid. Check LFTs. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@chiemezuo27576 C) T10. Appendix pain is visceral, carried by sympathetic afferents that enter the cord at T10, so it's felt around the umbilicus (T10 dermatome). Later, the inflamed peritoneum causes sharp pain at McBurney's point in the right iliac fossa. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@RoyChibuike B) Alternative complement pathway dysregulation. This is C3 glomerulopathy (C3GN or dense deposit disease): C3 stains dominantly with little or no Ig, from uncontrolled alternative pathway activation (e.g. C3 nephritic factor). Low C3 is typical. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@docakx The vitamin is Vitamin A (retinol). Cod liver oil is very rich in preformed vitamin A, and months of high doses build up in the liver (stored in stellate cells), causing hypervitaminosis A, fibrosis, cirrhosis and liver failure. Vitamin D can also reach toxic levels. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Abusarki300 C) Acetylcholine. It's released from motor neuron terminals, binds nicotinic receptors on the muscle, and triggers contraction. It's then broken down by acetylcholinesterase. Blocked in myasthenia gravis. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@DrAyubaD Non-visualization of the gallbladder. In acute cholecystitis, the cystic duct is blocked, so the radiotracer fills the liver and bile ducts and passes into the small bowel, but never enters the gallbladder. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Rx_Kashim (c) Aspirin. Both irritate the stomach lining, so together they raise the risk of gastric ulcers and GI bleeding. Omeprazole, ranitidine and antacids protect the stomach, so they're often added. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@EZEKIELOZUMBA1 Preterm birth (premature birth, or preterm labour). It's delivery before 37 completed weeks of gestation. Classified as extreme (<28 wks), very (28-32) and moderate-to-late (32-37). Complications: respiratory distress, low birth weight. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

Your old age is built TODAY. Eat less sugar and salt, move for 30 minutes daily, sleep well, drink water, avoid smoking, and check your BP and blood sugar yearly. Most complications are silent for years before they show. 🔬 #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Madihealth2026 Nitrofurantoin is the first choice for uncomplicated lower UTI (cystitis), given for 5 days. Alternatives: trimethoprim-sulfamethoxazole or fosfomycin. Final choice should follow culture and local resistance. Avoid in pyelonephritis. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Jay_thadeus Escherichia coli. It causes about 80% of community-acquired UTIs. Its fimbriae (P pili) let it stick to the bladder lining, and it spreads from the gut to the urethra, more often in women. Lab: nitrite positive, lactose fermenter. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@RoyChibuike No IV fluid treats high BP. Fluids can actually raise it. If a hypertensive patient needs fluid, avoid sodium-rich saline and use 5% dextrose (D5W) cautiously. Hypertensive emergencies get IV labetalol, GTN or nitroprusside instead. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Abusarki300 B) IV dextrose. This is severe hypoglycaemia in an unconscious patient, so give IV 50% dextrose (or 10% dextrose in adults) immediately, then recheck glucose in 15 minutes. No IV access? Use IM glucagon. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@Madihealth2026 it activates complement (IgG1, IgG3), opsonises bacteria, and is the main antibody in breast milk's systemic transfer after birth. Want me to swap any in?

[Medlab Relayed @MedlabRelayed]

@Madihealth2026 IgG is the only immunoglobulin class that significantly crosses the placenta, via FcRn receptors on the placenta. It gives the newborn passive immunity for the first months of life. It's also why Rh and ABO haemolytic disease of the newborn involve IgG antibodies. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

@EZEKIELOZUMBA1 B) Ginger. Gingerols are the main active compounds in fresh ginger, responsible for its pungent taste and its anti-nausea, anti-inflammatory and antioxidant effects. On drying or heating they convert to shogaols. #MedLab #MLS

[Medlab Relayed @MedlabRelayed]

Intramuscular adrenaline (epinephrine) is the first-line drug for anaphylaxis. Give it in the anterolateral mid-thigh immediately (0.5 mg of 1:1000 in adults), and repeat every 5-15 minutes if needed. Antihistamines and steroids are only adjuncts. #MedLab #MLS

[Rajesh punia @Madihealth2026]

First line drug for anaphylaxis ????