Symptomatic bradycardia following the administration of sublingual nitroglycerin. 1993

R Buckley, and R Roberts
Department of Emergency Medicine, Cook County Hospital, Chicago, IL 60612.

A case of severe bradycardia with junctional escape immediately following sublingual nitroglycerin is described. Bradycardia is a rare, but well-documented, complication of nitroglycerin and is often reported in the setting of myocardial ischemia or infarction. This particular case reported was complicated by the presence of an angiographically documented congenital coronary anomaly, but did not have either electrocardiographic or enzymatic evidence of ischemia or infarction during this event. Previously reported cases were reviewed, as well as potential mechanisms for this phenomenon. All cases reported to date were easily corrected with passive leg elevation or atropine.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001919 Bradycardia Cardiac arrhythmias that are characterized by excessively slow HEART RATE, usually below 50 beats per minute in human adults. They can be classified broadly into SINOATRIAL NODE dysfunction and ATRIOVENTRICULAR BLOCK. Bradyarrhythmia,Bradyarrhythmias,Bradycardias
D005260 Female Females
D005996 Nitroglycerin A volatile vasodilator which relieves ANGINA PECTORIS by stimulating GUANYLATE CYCLASE and lowering cytosolic calcium. It is also sometimes used for TOCOLYSIS and explosives. Glyceryl Trinitrate,Anginine,Dynamite,Gilustenon,Nitrangin,Nitro-Bid,Nitro-Dur,Nitrocard,Nitroderm,Nitroderm TTS,Nitroglyn,Nitrol,Nitrolan,Nitrong,Nitrospan,Nitrostat,Perlinganit,Susadrin,Sustac,Sustak,Sustonit,Transderm Nitro,Tridil,Trinitrin,Trinitrolong,Nitro Bid,Nitro Dur,NitroBid,NitroDur,Trinitrate, Glyceryl
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000286 Administration, Sublingual Administration of a soluble dosage form by placement under the tongue. Drug Administration, Sublingual,Sublingual Drug Administration,Sublingual Administration,Administration, Sublingual Drug,Administrations, Sublingual,Administrations, Sublingual Drug,Drug Administrations, Sublingual,Sublingual Administrations,Sublingual Drug Administrations

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