Yes Hypotension often causes excessive sleep. Excessive sleep often causes puffiness of the face.
Orthostatic Hypotension
because the ADH causes reabsortion of water by the kidneys
I'm not a Doctor, I'm only a EMT... But if i understand it right its the other way around, hypotension causes tachycardia. the less volume you have to pump thru your veins and arteries, the faster your heart has to pump. again, I'm no doc..
Smallpox
Definitely! It causes hypotension and could cause heart faliure. An overdose could be fatal!
In the context of hypotension, orthostatic hypotension is the same as postural hypotension.
Postural hypotension
This is called hypotension.
hypovolemia,metabolic acidosis,hypocalcaemia.hypokalemia,high dose narcotics,myocardial infarction,haemorrhage.
A rapid fall in blood pressure that causes dizziness, blurred vision, and fainting, and is often followed by prolonged fatigue
treatment of hypotension