A gallop rhythm, produced by the third or fourth heart sound is best heard at the apex.
[jpma.org.pk]
rhythm, raised JVP, pulmonary oedema, low blood pressure and cardiogenic shock Arrhythmias Palpitations, breathlessness, syncope Abnormal pulse rate, rhythm, signs of cardiac
[rcemlearning.co.uk]
The arterial pressure was 89x56 and MAP of 67 mmHg, there was a gallop rhythm with rales in both lung fields.
[scielo.br]