latent tetany manifestations is negative and need provocative tests:
chvostik sign
tapping on facial muscle lead to contraction of facial muscle
trousseau sign
increase blood pressure above systolic leading to carpopedal spasm
peroneal sign
tapping on peroneal muscle leading to contraction of peroneal
erb’s sign
current nerve 4 milliamper leading to contraction of muscle normal muscle need 8 mAmp
You can Mnemonics it at word “ petch “ or other word as you want
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