Left main coronary artery spasm. A potential cause for angiographic misdiagnosis of severe coronary artery disease. 1976

E S Murphy, and J Rösch, and O W Boicourt, and S H Rahimtoola

Two patients had catheter-induced spasm of the left main coronary artery during diagnostic coronary arteriography. One patient had no coronary artery disease, and the other had minimal disease of the right coronary artery. Spasm was relieved by nitrates; however, in one patient several doses were needed over 35 minutes. Catheter-induced spasm must be considered in the diagnosis of left main coronary artery disease, particularly on a patient with isolated left main coronary artery disease.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
D003951 Diagnostic Errors Incorrect or incomplete diagnoses following clinical or technical diagnostic procedures. Diagnostic Blind Spots,Errors, Diagnostic,Misdiagnosis,Blind Spot, Diagnostic,Blind Spots, Diagnostic,Diagnostic Blind Spot,Diagnostic Error,Error, Diagnostic,Misdiagnoses
D005260 Female Females
D006328 Cardiac Catheterization Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures. Catheterization, Cardiac,Catheterization, Heart,Heart Catheterization,Cardiac Catheterizations,Catheterizations, Cardiac,Catheterizations, Heart,Heart Catheterizations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000792 Angiography Radiography of blood vessels after injection of a contrast medium. Arteriography,Angiogram,Angiograms,Angiographies,Arteriographies
D013035 Spasm An involuntary contraction of a muscle or group of muscles. Spasms may involve SKELETAL MUSCLE or SMOOTH MUSCLE. Muscle Spasm,Muscular Spasm,Spasm, Ciliary Body,Spasm, Generalized,Ciliary Body Spasm,Ciliary Body Spasms,Generalized Spasm,Generalized Spasms,Muscle Spasms,Muscular Spasms,Spasm, Muscle,Spasm, Muscular,Spasms,Spasms, Ciliary Body,Spasms, Generalized,Spasms, Muscle,Spasms, Muscular
D017023 Coronary Angiography Radiography of the vascular system of the heart muscle after injection of a contrast medium. Angiography, Coronary,Angiographies, Coronary,Coronary Angiographies

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