 [ Symptoms ] i wake up in the middle of the night choking on a liquid what could this be  i have been diagnosed with acid reflux and was thinking maybe i had fluid on me when i burp or swallow liquid follows always making me gag or choke i was wondering what this could be could it be related to my heart [ Disease ] any blood clot can cause low blood pressure think of it like a beaver dam it holds back until it finally breaks free or is removed