| IOH | idiopathic orthostatic hypotension |
|---|---|
| OCSI | orthostatic change in shock index |
| OP | occipitoparietal; occipitoposterior; occiput posterior; octapeptide; olfactory peduncle; opening pre... |
| SOH | sympathetic orthostatic hypotension |
| DOE | Dyspnea On Exercise |
| BDI | Baseline Dyspnea Index |
|---|---|
| IOH | Idiopathic orthostatic hypotension |
| OI | Orthostatic Intolerance |
| OH | Orthostatic hypotension |
| OT | Orthostatic tremor |
| hypotension, orthostatic | Some symptoms of dizziness such as wooziness, feeling about to black out, and tunnel vision can be due to insufficient blood flow to the brain. The cause is transient low blood pressure (hypotension) due usually to suddenly standing up (orthostatic). The symptoms are typically worse when standing, improve with lying down and may be experienced by healthy individuals who rise quickly from a chair, often after a meal, and have a few seconds of disorientation. (12 Dec 1998) |
|---|---|
| idiopathic orthostatic hypotension | <clinical sign> The tendency for blood pressure to drop for unknown reasons on assuming upright posture. (05 Mar 2000) |
| orthostatic | <anatomy> Pertaining to or caused by standing erect. Origin: Gr. Statikos = causing to stand (18 Nov 1997) |
| orthostatic albuminuria | The appearance of albumin in the urine when the patient is erect and its disappearance when recumbent. Synonym: orthostatic proteinuria, postural proteinuria, postural albuminuria. (05 Mar 2000) |
| orthostatic hypopiesis | <cardiology> The manifestation of low blood pressure when rising from a chair or bed. A drop in blood pressure that is precipitated by changes in body position. May be related to hydration status, drug side effect or be caused by a dysfunction in the autonomic nervous systems ability to maintain blood pressure with positional changes (for example autonomic neuropathy secondary to diabetes). (27 Sep 1997) |
| orthostatic hypotension | <cardiology> The manifestation of low blood pressure when rising from a chair or bed. A drop in blood pressure that is precipitated by changes in body position. May be related to hydration status, drug side effect or be caused by a dysfunction in the autonomic nervous systems ability to maintain blood pressure with positional changes (for example autonomic neuropathy secondary to diabetes). (27 Sep 1997) |
| orthostatic proteinuria | The appearance of albumin in the urine when the patient is erect and its disappearance when recumbent. Synonym: orthostatic proteinuria, postural proteinuria, postural albuminuria. (05 Mar 2000) |
| orthostatic tachycardia | Increased heart rate on assuming the erect posture. (05 Mar 2000) |
| cardiac dyspnea | Shortness of breath of cardiac origin. (05 Mar 2000) |
| paroxysmal nocturnal dyspnea | Acute dyspnea appearing suddenly at night, usually waking the patient after an hour or two of sleep; caused by pulmonary congestion with or without oedema that results from left-sided heart failure following immobilization of fluid from dependent areas after lying down. (05 Mar 2000) |
| nocturnal dyspnea | Dyspnea occurring at night, several hours after assuming recumbent position. Occurs in heart failure and results from reabsorption of water from dependent areas after removal of effect of gravity, causing hypervolaemia, aggravating left-ventricular failure. (05 Mar 2000) |
| dyspnea | <symptom> Shortness of breath, difficult or laboured breathing. Origin: Gr. Dyspnoia = difficulty of breathing (18 Nov 1997) |
| dyspnea, paroxysmal | A form of respiratory distress related to posture (especially reclining at night) and usually attributed to congestive heart failure with pulmonary oedema. It appears suddenly at night, usually wakening the patient after an hour or two of sleep. It is also called paroxysmal nocturnal dyspnea. (12 Dec 1998) |
| Traube's dyspnea | An obsolete eponym for inspiratory dyspnea with maximal expansion of the chest and a slow respiratory rhythm. (05 Mar 2000) |
| exertional dyspnea | Excessive shortness of breath after exercise. (05 Mar 2000) |
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