A 25-year-old woman at 34 weeks of pregnancy was hospitalized in a critical condition into the maternity clinic. She has complains of headache, vision impairment, and nausea. She has edemas, her blood pressure is 170/130 mm Hg. Suddenly, the woman developed fibrillar twitching of her facial muscles, tonic and clonic seizures, and respiratory arrest. One and a half minutes later her breathing resumed and blood-tinged foam appeared from her mouth. Her urinary protein levels are 3.5 g/L. Make the right diagnosis: