Hashmi, who has treated Musharraf since 2006, stated that his medical reports show a significant amount of coronary artery disease which can result in a heart attack and lead to “significant cardiac mortality” if left untreated.
However, Kasuri said no decision has been made by Musharraf's family or aides about sending him abroad. Another senior lawyer in Musharraf's legal team, Mohammad Ali Saif, said no application has been made to the court to send him to the US.
“We have not submitted any application seeking his treatment abroad. We have just presented a letter by Dr Arjumand Hashmi, who has been treating Musharraf earlier, to support the medical report that AFIC had presented,” he said.
Musharraf skipped another hearing in the special court despite being warned to appear today.
His lawyer said his client could not appear because of ill-health.
Prosecutor Akram Sheikh argued that the court summoned Musharraf six times but the accused did not appear before the bench which can be considered contempt of court.
The former army chief is yet to appear in person before the three-judge court, having missed all the hearings because of security concerns and a health scare.
Musharraf was admitted to AFIC after he developed heart problems while being driven to the court on January 2.
In a separate development, an anti-terrorism court adjourned till January 27 the hearing of another case against Musharraf over the detention of judges in 2007.
The court ordered Musharraf to be produced before it at the next hearing.
There has been speculation that a deal could be struck to allow Musharraf to leave Pakistan for medical treatment abroad though he currently remains under a travel ban which government ministers have said they will not lift.
Musharraf has described the treason allegations as politically motivated.
He is also facing serious criminal charges over the assassination of former premier Benazir Bhutto, the death of Baloch nationalist leader Akbar Bugti and the detention of judges in 2007.
This is the first time in Pakistan's history that a former military ruler has been put on trial for treason. If convicted, he could be given life imprisonment or death penalty.