Excessive ultrafiltration
> 0.35 ml/min/kg
>20% plasma volume
Predialytic volume loss
GI losses (e.g. vomiting, diarrhea)
Decreased oral intake
Intradialytic volume loss
Tube and hemodialyzer blood losses
Postdialytic volume loss
Vascular access blood loss
Hemorrhage
Medication effects
Antihypertensives
Opioids
Decreased vascular tone (sepsis)
Cardiac dysfunction
LVH, ischemia, hypoxia, arrhythmia, pericardial tamponade
Pericardial disease
Effusion
Tamponade
Hemolysis
> 0.35 ml/min/kg
>20% plasma volume
GI losses (e.g. vomiting, diarrhea)
Decreased oral intake
Tube and hemodialyzer blood losses
Vascular access blood loss
Antihypertensives
Opioids
LVH, ischemia, hypoxia, arrhythmia, pericardial tamponade
Effusion
Tamponade<unk><unk>  disequilibrium syndrome
Air embolism
Missed<unk>  (pulmonary edema)
Dialysis-associated hypotension
Excessive ultrafiltration
Dialysis disequilibrium syndrome
> 0.35 ml/min/kg
Diabetic ketoacidosis
>20% plasma volume
Diabetic ketoacidosis 
Predialytic volume loss