In 325 cases of industrial chemical cyanosis notified to Her Majesty's Factory Inspectorate for 1961-80 the incidence of poisonings showed considerable seasonal variation with substantially greater numbers occurring in the summer months. A correlation between the number of poisonings in any one year
This basic review is intended to summarize the current knowledge of methemoglobinemia as an important cause of secondary headache with the hope of generating a growing interest in studying this phenomenon.We describe the pathological underpinnings of
A lack of respiratory centrogenic drive of undetermined origin is a rare cause of cyanosis. In this condition, voluntary hyperventilation restores arterial oxygen saturation to normal. Secondary changes consist of polycythemia, somnolence, headache and right heart failure. The present report of a
A 39-old, anaemic woman, admitted to hospital because of a fistula between bladder and bowel, developed a moderate degree of methaemoglobinaemia (19% of total haemoglobin) after prescription of 3 X 200 mg/die phenazopyridine (Pyridium) for 4 weeks. She showed a greyish discoloration of the skin;
Four patients showing classic physical stigmata of traumatic asphyxia were studied. Cervicofacial cyanosis and edema, subconjunctival hemorrhage, and multiple ecchymotic hemorrhage of the face, neck, and upper part of the chest were documented. Admission Glasgow coma scale scores ranged from 8 to
Chronic mountain sickness (CMS) or lack of adaptation to live in high altitudes is related to environmental hypoxia and excessive erythrocytosis (EE) (hemoglobin >21 and >19 g/dL for men and women, respectively). Diagnosis of CMS ("Qinghai CMS Score") is based on seven signs/symptoms (breathlessness
History and clinical findings A 56 year-old woman was admitted to our hospital for treatment of a severe exacerbation of Crohn's disease. During the stay a port catheter was implanted, safeguarding nutrition. A few days later the patient developed symptoms of a severe superior vena cava (SVC)
BACKGROUND
Unilateral arm swelling caused by subclavian vein obstruction without thrombosis is an uncommon form of venous thoracic outlet syndrome (TOS). In 87 patients with venous TOS, only 21 patients had no thrombosis. We describe the diagnosis and treatment of these patients.
METHODS
Twenty-one
BACKGROUND
Congenital central hypoventilation syndrome (CCHS) is a rare genetic disorder resulting from mutations in the PHOX2B gene located on chromosome 4p12.3, characterized by hypoventilation secondary to missing responses to both hypercapnia and hypoxia.
METHODS
Proband. A girl, hospitalised 5
Liz... Josiane, a 9 year old girl, was admitted with a 24 hours history of severe headache and vomiting. On admission she was conscious, irritable and complained of a severe headache. Clinical examination revealed a right hemiparesis with cyanosis of the lips and extremities and clubbing of the
METHODS
A 19 year-old female patient suffered from severe hypoxemia after an ambulant surgery for splayfeet. Local anesthesia had been performed with prilocain and bupivacain. Methemoglobinemia was suspected and treated with ascorbine acid and methylene blue. The patient was then admitted to
OBJECTIVE
The objective was to characterise and identify potential risk factors for intolerance to multi-drug leprosy therapy (MDT) which prompted a medication change in a leprosy referral centre in northeastern Brazil.
METHODS
A retrospective chart review of leprosy patients treated at a state
Syncope can result from a reduction in cardiac output from serious cardiac conditions, such as arrhythmias or structural heart disease (cardiac syncope), or other causes, such as vasovagal syncope or orthostatic hypotension.To perform a systematic review of
The safety and tolerability of primaquine (PQ) administered as a short higher-dose (30mg twice daily for 7 days) regimen in 203 Australian Defence Force personnel was evaluated in an open-label presumptive anti-relapse therapy study. No clinically significant differences were measured in the
OBJECTIVE
Reflex anoxic cerebral crises are due to depression of nerve function caused by a vagotonic state or vagal hypersensitivity. In this paper we propose to review the physiopathology, clinical features and diagnostic procedures of these crises.
METHODS
There are three types of reflex anoxic
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