http://medicinembbs.blogspot.com/2015/12/abnormal-pulses-and-possible-etiologies.html

Pulsus paradoxus

greater than the normal (10 mmHg) fall in systolic blood pressure during inspiration → faint or absent pulse in inspiration

• severe asthma, cardiac tamponade

Slow-rising/plateau

• aortic stenosis

Collapsing

• aortic regurgitation
• patent ductus arteriosus
• hyperkinetic states (anaemia, thyrotoxic, fever, exercise/pregnancy)

Pulsus alternans

regular alternation of the force of the arterial pulse

• severe LVF

Bisferiens pulse

'double pulse' - two systolic peaks