, external<\/span><\/a><\/p>\n“As the match went on, I worked hard to give myself the opportunity to stay competitive while trying to get used to the conditions but progressively struggled.”<\/p>\n
She said “blurry vision” led to her collapse and she experienced no cramping.<\/p>\n
“Overnight we conducted multiple studies and it seems my heart worked a little too hard on the day but thankfully no longer term impact,” Jones added.<\/p>\n
Jones was attempting to serve in the ninth game of a deciding third set at the Colsanitas Cup, a WTA 250 tournament, when she fell to the floor.<\/p>\n
The British number five initially lay on her back before rolling on to her side as she was attended to by medical staff.<\/p>\n
Argentine opponent Julia Riera, who was ultimately awarded the first-round match, walked over to check on Jones and helped to lift her on to a wheelchair.<\/p>\n
Jones beat Riera in straight sets last week on her way to winning the W75 Vacaria tournament in Brazil, the eighth ITF title of her career.<\/p>\n
Meanwhile, Heather Watson went out of the Charleston Open with a straight-set defeat by Iryna Shymanovich in the first round.<\/p>\n
The British number seven was beaten 7-6 (10-8) 6-4 by the Belarusian world number 215.<\/p>\n<\/div>\n