Table 2. Agreement between Doppler ultrasonography findings and cardiological diagnoses.

Symptom	Doppler ultrasonography (n = 159)	Cardiological diagnosis (n = 159)	Kappa
Arrhythmia	21.4%	17.0%	0.494
Pulsating flow in femoral vein	11.3%	5.0%	0.098
Pulsus bisferiens	12.6%	9.4%	0.135
Low peak systolic velocity	5.7%	4.4%	0.079
Bradycardia	6.9%	1.9%	0.264
Tachycardia	1.9%	1.9%	0.66
Pulsus alternans.	2.5%	0.0%	-
Pulsus tardus et parvus	5.0%	3.8%	0.104
Water hammer flow	0.0%	0.0%	-