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leg cramps
#1
I've been using APAP for the last month and it seems to be going well. My AHI is now stabilising around 5 or less from an untreated score of 72+.

however, I have had a couple of instances of waking up and cramping my calf muscles.

I was wondering, could low SpO2 cause muscle cramps? My flow data indicates I still have a the odd longish pauses in my breathing (30sec or so).

Could waking up with cramps be an indication I'd just had a desaturation?
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#2
Or, electolyte imbalance? Mg, K, Na, Ca

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#3
yeah, possible.

I have woken with leg cramps in the past, always calf muscle.

it's possible it's nothing to do with SA and just a coincidence that I/ve had 2 or 3 incidents in the past month and very few (that I can remember anyway) in the few years before.

I just thought i'd ask in case it was a known thing.
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#4
There is a connection between leg cramps and OSA. I very seldom get cramps after starting on CPAP:
http://www.aasmnet.org/jcsm/ViewAbstract.aspx?pid=29516

With an AHI of 5 or less, I'd look elsewhere first as JM suggested.
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#5
If it is a magnesium deficit, using Epson salts in a bath may help, or taking oral magnesium (antacid version is magnesium oxide, such as Phillips; there are other forms)
                                                                                                                                                                                  
Please organize your SleeyHead screenshots like this.
I'm an epidemiologist, not a medical provider. 
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#6
An iron deficiency can also result in leg cramps. This is more a problem for females.
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#7
I get it if I have had a very salty meal for dinner. I correct it by drinking some pure coconut water. It balances the excess sodium of the meal with excess potassium of coconut water.
Started APAP 4-20, Closed range to 7.5-14, then straight 8.0 w/ Aflex 3
RDI always below 1. But sleep much much better at straight pressure.
Started on F10, Tried Quattro Air successfully. Finally settled on P10.
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#8
Certain high blood pressure medications lower your potassium therefore causing calf cramps. At least that is what was doing it for me.
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#9
And on top of the potassium and magnesium bits (I take both), there is enough "old wives tale" data that my Primary doctor even suggested this to me: drinking tonic water, which has quinine in it. Some people say that's hogwash, but it certainly seems to be helping me. I drink 16 ounces a day of diet tonic water (with 2 tablespoons of lemon and a pack of sweetener, just cuz I discovered lemon flavored tonic water in the UK!) and have had no full occurrences of leg cramping since I started, about two years ago. I've had a few "oooo, it feels like it's about to cramp" but I stretch and it never quite does cramp.
My cramps were not all during sleep, which is why I can recognize some of them coming.
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#10
(11-18-2016, 05:42 PM)BadGoodDeb Wrote: And on top of the potassium and magnesium bits (I take both), there is enough "old wives tale" data that my Primary doctor even suggested this to me: drinking tonic water, which has quinine in it. Some people say that's hogwash, but it certainly seems to be helping me. I drink 16 ounces a day of diet tonic water (with 2 tablespoons of lemon and a pack of sweetener, just cuz I discovered lemon flavored tonic water in the UK!) and have had no full occurrences of leg cramping since I started, about two years ago. I've had a few "oooo, it feels like it's about to cramp" but I stretch and it never quite does cramp.
My cramps were not all during sleep, which is why I can recognize some of them coming.

Not an old wives tale at all. I used quinine sulphate tablets when I was playing football to help with cramps. It worked.

I started to have leg cramps recently and I now use a multi magnesium tablet and the cramps have gone. There are different magnesium combinations. Magnesium chelate is the best for cramps.

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