NLM Classification Schedule WG

QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

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WG Cardiovascular System
	Classify general works on the cardiovascular system and its diseases in children in WS 290. Classify cardiovascular nursing in WY 152.5. Classify works on nursing of patients with specific diseases in WY also. Classify works on bloodsupply of specific parts of other body systems with system or part.
	WG 1-113 Reference Works. General Works
	WG 120-170 Cardiovascular Diseases, Diagnosis and Therapeutics
	WG 200-460 Heart. Heart Diseases
	WG 500-700 Blood Vessels. Vascular Diseases
	WG 500 Blood Vessels (General)
	WG 510-595 Arteries
	WG 600-700 Veins. Capillaries
	Reference Works. General Works

WG 1	Societies (Cutter from name of society) (Used for both monographs and serials)
	Includes ephemeral membership lists issued serially or separately. Classify substantial lists with directories. Classify annual reports, journals, etc. in W1.
	Collected works (General)
WG 5	By several authors
WG 7	By individual authors

WG 9	Addresses. Essays. Lectures (General)

WG 11	History (Table G)
WG 11.1	General coverage (Not Table G)

WG 13	Dictionaries. Encyclopedias (Used for both monographs and serials)

WG 15	Classification. Terminology (Used for both monographs and serials)

WG 16	Tables. Statistics (Used for both monographs and serials)

WG 17	Atlases. Pictorial works
	Classify atlases limited to a particular part of the system here also.

WG 18	Education
	Classify here works about education.

WG 18.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

WG 19	Schools, colleges, and specialized departments and facilities (Used for both monographs and serials)

WG 20	Research (General)
	Classify here works about research in general. Classify works about research on a particular subject by subject. Cf. WG 110 Experimental studies.

WG 21	Cardiology as a profession. Ethics. Peer review

WG 22	Directories (Table G) (Used for both monographs and serials)
WG 22.1	General coverage (Not Table G) (Used for both monographs and serials)
	Institutes. Laboratories of experimental research
WG 23	Collective
WG 24	Individual (Cutter from name of institution)

WG 25	Laboratory manuals. Technique
	Cf. WG 140 for clinical examination and diagnosis.

WG 26	Equipment and supplies
	Classify catalogs in W 26. Classify works on artificial and mechanical hearts in WG 169.5. Classify works on artificial pacemakers here. Cf. WG 168 for artificial cardiac pacing.

WG 26.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.
	Hospitals, clinics, dispensaries, etc.
WG 27	Collective (Table G)
WG 27.1	General coverage (Not Table G)
WG 28	Individual (Cutter from name of hospital) (Table G)
	Museums, exhibitions, etc.
WG 28.5	Collective
WG 28.6	Individual (Cutter from name of museum, etc.)

WG 32	Laws (Table G) (Used for both monographs and serials)
WG 32.1	General coverage (Not Table G) (Used for both monographs and serials)
WG 33	Discussion of law (Table G) (Used for both monographs and serials)
WG 33.1	General coverage (Not Table G) (Used for both monographs and serials)

WG 39	Handbooks. Resource guides (Used for both monographs and serials)

WG 100	General works
	Classify works on specialty and on the specialty and diseases here. Classify works on diseases alone in WG 120.

WG 101	Anatomy. Histology. Embryology

WG 102	Physiology. Biochemistry
WG 103	Circulation (General)
	Classify works on blood circulation of a system or part with system or part.
WG 104	Microcirculation (General)

WG 106	Hemodynamics. Blood velocity, volume, pressure, etc.
	Classify works on hypertension and hypotension in WG 340; on measurement of blood pressure in clinical diagnosis in WB 280.

WG 110	Experimental studies
	Classify here works that discuss the experimental work itself. Classify works about research in WG 20. Classify works on specific subjects by subject.

WG 113	Popular works
	Classify here works on heart and vascular diseases in general or on coronary disease and congestive heart failure in particular. Classify works on other specific disorders with the disorder.
	Cardiovascular Diseases, Diagnosis and Therapeutics

WG 120	Cardiovascular diseases (General or not elsewhere classified)

WG 140	Electrocardiography. Vectorcardiography. Monitoring (General)

WG 141	Examination. Diagnosis. Diagnostic methods (General and heart specifically)
WG 141.5	Specific diagnostic methods, A-Z
WG 141.5.A3	Angiocardiography. Angioscopy
WG 141.5.A9	Auscultation, Heart
WG 141.5.B2	Ballistocardiography
WG 141.5.C15	Cardiography, Impedance
WG 141.5.C2	Catheterization, Heart
WG 141.5.E2	Echocardiography
WG 141.5.F9	Function tests, Heart (General or not else classified)
WG 141.5.K5	Kinetocardiography
WG 141.5.K9	Kymography
WG 141.5.M2	Magnetic resonance imaging
WG 141.5.P4	Phonocardiography
WG 141.5.P7	Plethysmography
WG 141.5.R2	Radiography (General)
WG 141.5.R3	Radionuclide imaging
WG 141.5.T6	Tomography

WG 142	Pathology

WG 166	Therapeutics (General and heart specifically)
	Classify works on drugs acting on the cardiovascular system in QV 150.
WG 166.5	Specific therapeutic methods, A-Z
WG 166.5.A3	Angioplasty
WG 166.5.A5	Angioplasty, Laser
WG 166.5.B2	Balloon angioplasty. Balloon dilatation. Balloon occlusion

WG 168	Cardiovascular surgery. Artificial cardiac pacing
	Classify works on surgery for a particular disorder with the disorder.
WG 169	Heart surgery. Heart transplantation
	Classify works on surgery of coronary vessels in general, heart valves, myocardium, etc., here. Classify works on surgery of the aorta in WG 410. Classify works on surgery of a particular disorder with the disorder.
WG 169.5	Artificial heart. Heart-lung machine
WG 170	Vascular surgery
	Classify works on surgery of arteries and veins in general here. Cf. WG 410 Aorta and numbers for other specific vessels.
	Heart. Heart Diseases

WG 200	General works
	Note that popular works are classed in WG 113; works on examination, in WG 140-141.5; on general therapeutics, WG 166-166.5; on surgery, in WG 169-169.5.

WG 201	Anatomy. Histology. Embryology

WG 202	Physiology. Heart beat mechanism

WG 205	Cardiac emergencies

WG 210	Heart diseases (General or not elsewhere classified)

WG 220	Congenital heart disease. Abnormalities of the heart and the cardiovascular system (General)

WG 240	Rheumatic heart disease

WG 260	Valves
WG 262	Mitral
WG 265	Aortic
WG 268	Tricuspid
WG 269	Pulmonary

WG 275	Pericardium

WG 280	Myocardium
	Classify material on myocardial infarct in WG 300.

WG 285	Endocardium

WG 298	Angina pectoris

WG 300	Coronary vessels. Coronary disease

WG 320	Functional heart disease (e.g., Neurocirculatory asthenia)

WG 330	Disorders of the heart beat

WG 340	Hypertension. Hypertensive heart disease. Hypotension

WG 370	Heart failure

WG 410	Aorta
	Cf. WC 168 for aortic involvement in syphilis.

WG 420	Pulmonary embolism and related disorders. Pulmonary heart disease

WG 460	Special cardiac problems in anesthesia, dentistry, surgery (e.g., Choice of anesthetic)
	Cf. WO 235 for general works on choice of anesthetic. Classify works on problems in pregnancy in WQ 244; in labor specifically in WQ 330.
	Blood Vessels. Vascular Diseases
	Classify works on blood supply of the extremities here, but classify works on blood supply of specific parts of other body systems with that system or part. Classify works on coronary vessels in WG 300; on the aorta specifically in WG 410; on circulation in WG 103-104; on vascular resistance in WG 106; on vascular surgery in WG 170. Blood Vessels (General)

WG 500	General works. Radiography
	Arteries

WG 510	Arteries (General or not elsewhere classified)
WG 515	Inflammation
WG 518	Polyarteritis nodosa
WG 520	Thromboangiitis obliterans
WG 530	Frostbite. Immersion foot
WG 540	Arterial embolism. Arterial thrombosis
WG 550	Arteriosclerosis and related disorders
WG 560	Vasomotor regulation and disorders
	Classify material on carotid sinus syndrome here.
WG 570	Raynaud disease
WG 578	Vasodilator disorders
WG 580	Aneurysms
	Classify works on aortic aneurysm in WG 410; on heart aneurysm in WG 300; on cerebral aneurysm in WL 354-355.
WG 590	Arteriovenous anastomosis. Arteriovenous fistula
WG 595	Specific arteries, A-Z
	Classify works on the aorta in WG 410; on coronary arteries in WG 300.
WG 595.A9	Axillary artery
WG 595.B2	Basilar artery
WG 595.B7	Brachial artery
WG 595.B72	Brachiocephalic trunk
WG 595.B76	Bronchial arteries
WG 595.C2	Carotid arteries
WG 595.C3	Celiac artery
WG 595.C37	Cerebral arteries
WG 595.F3	Femoral artery
WG 595.H3	Hepatic artery
WG 595.I5	Iliac artery
[WG 595.I6]	[This number not used]
	Classify innominate artery in WG 595.B72.
WG 595.M2	Maxillary artery
WG 595.M3	Meningeal arteries
WG 595.M38	Mesenteric arteries
WG 595.O7	Ophthalmic artery
WG 595.P6	Popliteal artery
WG 595.P8	Pulmonary artery
WG 595.R3	Renal artery
WG 595.R38	Retinal artery
WG 595.S7	Splenic artery
WG 595.S8	Subclavian artery
WG 595.T3	Temporal arteries
WG 595.T4	Thoracic arteries
WG 595.U6	Umbilical arteries
WG 595.V3	Vertebral artery
	Veins. Capillaries

WG 600	Veins
WG 610	Thrombosis. Phlebothrombosis. Thrombophlebitis and related disorders
WG 620	Varicose veins
WG 625	Specific veins, A-Z
	Classify works on coronary veins in WG 300; on the portal system in WI 720.
WG 625.A9	Axillary vein
WG 625.A99	Azygos vein
WG 625.B7	Brachiocephalic veins
WG 625.C3	Cerebral veins
WG 625.C7	Cranial sinuses
WG 625.F3	Femoral vein
WG 625.H3	Hepatic veins
WG 625.I5	Iliac vein
[WG 625.I6]	[This number not used]
	Classify innominate vein in WG 625.B7.
WG 625.J8	Jugular vein
WG 625.P6	Popliteal vein
WG 625.P8	Pulmonary veins
WG 625.R3	Renal veins
WG 625.R38	Retinal vein
WG 625.S2	Saphenous vein
WG 625.S8	Subclavian vein
WG 625.V3	Venae cavae

WG 700	Capillaries
	Classify works on capillary resistance in WG 106; on microcirculation in WG 104.