syncope/cannabis

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Postural syncope after marijuana: a transcranial Doppler study of the hemodynamics.

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Twenty-nine volunteers participated in a randomized, double-blind, placebo-controlled study. Cerebral blood velocity (CBV), pulse rate, blood pressure (BP), skin perfusion (SP) on forehead and plasma delta9 tetrahydrocannabinol (THC) levels were quantified during reclining and standing for 10 min

Analysis and clinical findings of cases positive for the novel synthetic cannabinoid receptor agonist MDMB-CHMICA.

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BACKGROUND MDMB-CHMICA is a synthetic cannabinoid receptor agonist which has caused concern due to its presence in cases of adverse reaction and death. METHODS 43 cases of suspected synthetic cannabinoid ingestion were identified from patients presenting at an Emergency Department and from

[Perceptions of cannabis effects a qualitative study among adolescents].

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The aim of the study was to compare perceptions of cannabis use effects and risks of tolerance effect, withdrawal syndrome, dependence and repercussions on school, social, and familial functioning among adolescent cannabis users and non users. Subjects were 210 adolescents (121 boys, 89 girls; mean

[Adverse effects of marijuana].

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When admitted in an emergency unit, young patients often present acute neurological effects of smoked marijuana. Other chronic adverse effects of marijuana are probably underestimated: postural syncope, arteritis, chronic bronchitis, amnesia. Marijuana may trigger a myocardial infarction and have a

Marijuana-induced Coronary Vasospasm with Persistent Inter-coronary Connection: A Case Report and Review of Literature.

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Coronary vasospasm is a well-known entity causing acute chest syndrome and can lead to myocardial infarction, ventricular arrhythmias, and even sudden cardiac death. While there are extensive case series showing the association of coronary vasospasm with cocaine, studies reporting marijuana-induced

Middle cerebral artery velocity during upright posture after marijuana smoking.

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Marijuana is known to cause symptoms suggestive of orthostatic hypotension such as dizziness and fainting during upright posture. We examined changes in cerebral blood velocity (CBV) and peripheral circulation during upright posture after smoking marijuana in 10 right-handed male subjects with a

Catecholaminergic polymorphic ventricular tachycardia found in an adolescent after a methylenedioxymethamphetamine and marijuana-induced cardiac arrest.

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OBJECTIVE To illustrate the challenges of managing patients with acute, undiagnosed arrhythmias through a case that demonstrates a possible association between catecholaminergic polymorphic ventricular tachycardia, a genetically determined severe arrhythmia disorder that often presents as either

Conjugation of synthetic cannabinoids JWH-018 and JWH-073, metabolites by human UDP-glucuronosyltransferases.

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K2, a synthetic cannabinoid (SC), is an emerging drug of abuse touted as "legal marijuana" and marketed to young teens and first-time drug users. Symptoms associated with K2 use include extreme agitation, syncope, tachycardia, and visual and auditory hallucinations. One major challenge to clinicians

Marijuana Induced Sick Sinus Syndrome: A Case Report.

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BACKGROUND Marijuana is a commonly abused illicit drug in the United States (US). Regular marijuana usage has been linked to many adverse cardiovascular effects. Our case describes the association of abusing marijuana and the development of sick sinus syndrome. CASE REPORT A 27-year-old male

The association of cannabis use and cardiac dysrhythmias: a systematic review.

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Introduction: Cannabis use results in elevation of heart rate and blood pressure immediately after use, primarily due to sympathetic nervous system stimulation and parasympathetic nervous system inhibition. These effects may precipitate cardiac dysrhythmia. The objective of our study was to

Ventricular fibrillation triggered by marijuana use in a patient with ischemic cardiomyopathy: a case report.

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BACKGROUND A 60-year-old man presented to the emergency department with a left eye orbital rupture sustained during a fall due to syncope shortly after smoking more than his usual amount of marijuana. METHODS The patient reported experiencing a shock from his implantable cardioverter-defibrillator

Acute cannabis intoxication mimicking brugada-like ST segment abnormalities.

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A 19 years old male presented with a syncopeal episode after heavy marihuana use. A 12 lead ECG demonstrated Brugada-like ST segment elevation in leads V1 and V2. Urine and blood toxicological studies upon admission demonstrated markedly elevated levels of Tetrahydrocannabinol (THC). A 2D

Altered metabolism of synthetic cannabinoid JWH-018 by human cytochrome P450 2C9 and variants.

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Synthetic cannabinoids (SCBs), synonymous with 'K2', 'Spice' or 'synthetic marijuana', are psychoactive drugs of abuse that frequently result in clinical effects and toxicity more severe than those classically associated with Δ9-tetrahydrocannabinol such as extreme agitation, hallucinations,

Coronary no-flow and ventricular tachycardia associated with habitual marijuana use.

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A 34-year-old man reported heart fluttering and near syncope a few hours after marijuana smoking. In the emergency department, he was found to have a right bundle-branch-type ventricular tachycardia. The patient underwent a successful electric cardioversion. Coronary angiography showed no

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