What's the difference between angor and constriction?
Angor
Definition:
(n.) Great anxiety accompanied by painful constriction at the upper part of the belly, often with palpitation and oppression.
Example Sentences:
(1) The patients were all men with 57 years mean age, and a previous history of posteroinferior myocardial infarction, complicated in three of them with angor and severe ventricle arrythmias; chest X ray in lateral view showed a bump of the posteroinferior border of the cardiac silhouette; the echocardiography increase in the ventricular diameter below the mitral valve; the ventriculography made evident a diastolic bulging with systolic expansion of posterior and inferior segments of the left ventricle and no mitral regurgitation; selective coronary arteriography showed a dominant right pattern with 100 per cent proximal occlusion.
(2) The patients outliving myocardial infarction reached 69%; those surviving angor inestable, reached 79%, and the survivors of the no-coronary group, 92.5%.
(3) Three patients were asymptomatic, 2 with cardiac insufficiency and 1 suffering from angor.
(4) Observations confirmed the possibility that the onset of angor is due to reflex coronary vasoconstriction induced through the sympathetic system by stimuli arising in the gall bladder.
(5) A complex statistical analysis (stepwise regression analysis) of the variables presented by the patients (clinical, ECG and laboratory) showed that only 5 variables are important in the determination of the risk of RN namely: nontransmural localization of initial necrosis, atrial fibrillation, past history of angor pectoris, prolonged pain at onset and presence of idioventricular rhythm.
(6) Studying firstly these drugs, and afterwards its clinical use: cerebral ischemia, myocardium acute infarct, angor pectoris, revascularization coronary surgery, coronary percutaneous transluminal angioplasty, valvular prosthesis, valvulopathies, vascular prosthetic grafts, and others.
(7) The authors report the case of a 35 year-old man, suffering from Prinzmetal's angor and stress angor associated to a complicated esophago-gastric reflux.
(8) Basing on coronary arteriography results we divided patients; in the group A (10 patients with significant stenoses greater than or equal to 50%) stress ecg and scintigraphy were positive in 9 patients; Dipyridamole test induced angor and ecgraphic changes in 5 patients and in 4 left ventricle wall motion disorders, 201-Tl scan was positive in all 9 patients tested.
(9) 10 elderly patients suffering from chronic lithiasic cholecystitis presented sporadic attacks of angor during the digestion of rather abundant meals, associated or otherwise with biliary colic.
(10) During five years or until death, we had under observation 74 patients who survived the acute phase of myocardial infarction, 66 patients with angor inestable, and a third group, also of 66 patients of the coronary unit, but whose cases didn't show evidence of their illness being due to myocardial infarction.
(11) The other 9 patients followed-up at 1 to 8 months (mean 3.9) disclosed Canadian angor class I.
(12) The incidence of angor pectoris, acute myocardial infarction and heart failure was significantly greater in hypertensive patients of both types of diabetes than in the respective normotensive group.
(13) Three groups of electrocardiopathic manifestations have been individualised: ischemia proving angor (288 cases), anginose syndromes revealing a myocardic infarct (81 cases), acute myocardic infarcts (62 cases).
(14) The effect of nifedipine proved statistically significant (p less than 0.01) with respect to the parameters: double product, time of insurgence of angor and time of appearance of electrocardiographic anomalies.
(15) A statistical correlation with resting ECG nonspecific ST-segment and T-wave abnormalities was observed (p less than 0.05) despite the absence of angor in 8 of the 11 patients.
(16) Recorded complications are: 1. microangiopathy: nephropathy (25%) including 7 renal insufficiency and 2 patients under dialysis; retinopathy (29%); 2. macroangiopathy: cardiovascular accident 1 case; angor 4 cases; obliterative arteritis of inferior limbs 5 cases; 3. neuropathy 9 cases (17%); 4. high arterial tension 55%; 5. metabolic complications (20%): 4 acidocetosis; 2 hyperosmolar coma; 4 severe hypoglycemia; 6.
(17) Nine were male and 2 female, mean ages of 70, with Canadian angor class I (1), II (1), or IV (9) and EF ranging from 12 to 65% (mean 34%).
(18) Cardiac insufficiency, and a large area of infarction contribute to the non-return to work, while subsequent angor and arrhythmias do not demonstrate any significant relation.
(19) Through a capillary viscometer we measured venous and arterial blood viscosity (BV) in 25 patients with the diagnosis of ischemic heart disease (IHD); 10 of them with unstable angor pectoris (UA) and 15 with acute myocardial infarction (MI).
(20) Various aspects of the heart in hypertension, particularly ischaemic damage and its effects on angor, hypertrophy, decompensation, arrhythmias and sudden death are considered.
Constriction
Definition:
(n.) The act of constricting by means of some inherent power or by movement or change in the thing itself, as distinguished from compression.
(n.) The state of being constricted; the point where a thing is constricted; a narrowing or binding.
Example Sentences:
(1) There were two recurrent P. (1 Tbc, 1 viral) and no recurrent constriction.
(2) L660,711 had no significant effects on epinephrine- or vasopressin-induced arteriolar constriction.
(3) Myogenic constrictions and dilations was observed when IP was increased (greater than 60 cmH2O) and decreased (less than 60 cmH2O), respectively.
(4) Baroreflex function was studied in conscious early phase (less than 6 weeks) two-kidney, one-clip hypertensive rats before and 24 hours after surgical reversal of hypertension by removal of the constricting renal artery clip or after pharmacological reduction of blood pressure by an infusion of hydralazine or captopril.
(5) A series of hierarchical multiple regressions revealed the effects of Surgency, Agreeableness, Conscientiousness, Emotional Stability, and Intellect on evoking upset in spouses through condescension (e.g., treating spouse as stupid or inferior), possessiveness (demanding too much time and attention), abuse (slapping spouse), unfaithfulness (having sex with others), inconsiderateness (leaving toilet seat up), moodiness (crying a lot), alcohol abuse (drinking too much alcohol), emotional constriction (hiding emotions to act tough), and self-centeredness (acting selfishly).
(6) Neither the first- (A1) or second-order arterioles (A2) nor the first- (V1) or second-order venules (V2) constricted significantly to angiotensin II.
(7) When the same dose of ISO was administered to rats with aortic constriction the rise in labelled Ca uptake by the hypertrophied myocardium of the left ventricle was greatly reduced.
(8) We studied DNA (mtDNA) replication in adult female rat hearts undergoing hypertrophy secondary to constriction of the ascending aorta.
(9) 6 patients had thickened pericardium, and 3 had constrictive features.
(10) Clonidine and methysergide constrict the rabbit auricular artery by activating smooth muscle alpha-adrenoceptors.
(11) Electron microscopy in one case demonstrated typical intraneuronal accumulations of neurofilaments with regular constrictions.
(12) The rise in pressure approximated the sum of the rises caused by removal of the papilla alone and by renal artery constriction alone, consistent with the idea of two mechanisms being at work in this model.
(13) Transient peripheral vasomotor constriction and heart rate increases were initiated within an 8- to 12-sec period following target detection with the predictable schedule, with subjects evincing greater responsivity than their nonpredictable schedule counterparts.
(14) Data are constricted by the movement out of the area in the end stage of disease, which is only partially solved by tracking with community health workers.
(15) The in vivo synthesis rates of myosin isozyme heavy chains beta and alpha were measured in right ventricular (RV) muscle at 2 and 4 days following pulmonary artery constriction in rabbits, together with measurements of their relative mRNA levels.
(16) Aspiration is prevented by constriction of the thyroarytenoid muscle which provides a valved upper end of the tube.
(17) When tested in the guinea pig, 2a exhibited no effects on blood pressure and no broncho-constriction or dilation activity.
(18) However, certain other echocardiographic abnormalities of left ventricular posterior wall motion and interventricular septal motion and a high E-Fo slope were suggestive of constriction.
(19) The left anterior descending coronary artery of dogs and the right common carotid artery of rabbits were subjected to partial constriction with suture thread (40-60% reduction in transluminal diameter).
(20) A previously described laminectomy technique was modified by the addition of spinal plating to avoid the occurrence of constrictive fibrosis.