Instead the plates slide horizontally past one another. No matter the type of boundary though, the movement of the Earth's tectonic plates is essential in the formation of the various landscape features we see across the globe today.
As the death rattle does not always respond to these interventions, Bennett conducted further research into this phenomenon and came up with the conclusion that there is more than one type of death rattle. Physiological Theory: Causes of Death Rattle. Bennett (1996) identified two different types of death rattle. Type I is caused by an accumulation of salivary secretions when swallowing reflexes are inhibited and type II is caused by an accumulation of bronchial secretions in patients too weak to cough effectively (Bennett, 1996).
But I am wondering if this is the beginning of the death rattle. She has been without food or water for 34 days, and has about 1 ounce of urine output in the last 24 hours. She had a stroke initially that caused her to lose her ability to swallow. She is 86 years old and also has Parkinsons and dementia.