| JVP | [POMD P 49 - 52] 1) Jugular Vein Pressure 2) Jugular Venous Pulse ... |
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| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| ES | ejection sound; elastic stocking; electrical stimulus, electrical stimulation; electroshock; emergen... |
| LAESV | left atrial volume in end systole |
| PVS | percussion, vibration, suction; persistent vegetative state; persistent viral syndrome; Plummer-Vins... |
| TWA | T wave alternans |
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| ES | End-Systole |
| * s | systole |
| TES | to End Systole |
| systole alternans | <physiology> Contraction of only one ventricle of the heart. Hemisystole is noticed in rare cases of insufficiency of the mitral valve, in which both ventricles at times contract simultaneously, as in a normal heart, this condition alternating with contraction of the right ventricle alone; hence, intermittent hemisystole. Source: Websters Dictionary (01 Mar 1998) |
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| alternans | Alternating; KP7>often used substantively for alternation of the heart, either electrical or mechanical. Alternating; used as a noun in the sense of pulsus alternans. Origin: L. (05 Mar 2000) |
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| atrial systole | Contraction of the atria. Synonym: auricular systole. (05 Mar 2000) |
| auditory alternans | Alternation in the intensity of heart sounds or murmurs in the presence of a regular cardiac rhythm as a result of alternation of the heart. Synonym: auditory alternans. (05 Mar 2000) |
| auricular systole | Contraction of the atria. Synonym: auricular systole. (05 Mar 2000) |
| auscultatory alternans | Alternation in the intensity of heart sounds or murmurs in the presence of a regular cardiac rhythm as a result of alternation of the heart. Synonym: auditory alternans. (05 Mar 2000) |
| ventricular systole | Contraction of the ventricles. (05 Mar 2000) |
| concordant alternans | Simultaneous occurrence of right ventricular and pulmonary artery alternans with left ventricular and peripheral pulsus alternans. (05 Mar 2000) |
| premature systole | A premature contraction of the heart that is independent of the normal rhythm and arises in response to an impulse in some part of the heart other than the sinoatrial node. Synonym: premature beat. (18 Nov 1997) |
| pulsus alternans | Mechanical alternation, a pulse regular in time but with alternate beats stronger and weaker, often detectable only with the sphygmomanometer and usually indicating serious myocardial disease. Synonym: pulsus alternans. (05 Mar 2000) |
| systole | <physiology> The time at which ventricular contraction occurs. (27 Sep 1997) |
| discordant alternans | Presence of right ventricular and pulmonary artery alternans with peripheral pulsus alternans, but with the strong beat of the right ventricle coinciding with the weak beat of the left and vice versa. (05 Mar 2000) |
| electrical alternans | Electrical alternation of the heart. (05 Mar 2000) |
| electrical systole | The duration of the QRS-T complex (i.e., from the earliest Q-wave to the end of the latest T wave on the ECG). Electromechanical systole, the period from the beginning of the QRS complex to the first (aortic) vibration of the second heart sound. Synonym: Q-S2 interval. (05 Mar 2000) |
| late systole | The interval in the cardiac rhythm immediately preceding diastole. Synonym: late systole. (05 Mar 2000) |
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