Sandbox:Sahar

Location	Diagnostic Modality	Diagnostic Value
Ascending Aortic Dissection	Transthoracic Echocardiography	Moderate
	Transoesophageal Echocardiography	Excellent
	CT Scan	Excellent
	MRI	Excellent
Aortic Arch Dissection	Transthoracic Echocardiography	Poor
	Transoesophageal Echocardiography	Poor
	CT Scan	Excellent
	MRI	Excellent
Descending Aortic Dissection	Transthoracic Echocardiography	Poor
	Transoesophageal Echocardiography	Excellent
	CT Scan	Excellent
	MRI	Excellent