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Syncope

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MGH Cardiology Board Review

Abstract

The word “syncope” is derived from the Greek syn, meaning “with” and koptein meaning “to cut off/interrupt”. The use of the word syncope to describe the abrupt “cutting off” of consciousness has been in place for hundreds of years. No matter what term patients use: syncope, fainting, drop attacks, or spells is used, the concept transient loss of consciousness followed by spontaneous recovery has been, is and always will be a common issue for cardiologists to diagnose and manage. Many causes of syncope are outside the scope of cardiology. Due to the inherent life-threatening nature of many cardiac causes of syncope, it is important for the cardiologist to be well versed on the topic.

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Abbreviations

ACE-I:

Angiotensin converting enzyme inhibitor

ARVC:

Arrhythmogenic right ventricular cardiomyopathy

AS:

Aortic stenosis

AV:

Atrioventricular

BB:

Beta blocker

BP:

Blood pressure

bpm:

Beats per minute

CAD:

Coronary artery disease

CCB:

Calcium channel blocker

CEA:

Carotid endarterectomy

CHF:

Congestive Heart Failure

CSM:

Carotid Sinus Massage

CT:

Computed Tomography

DBP:

Diastolic blood pressure

ECG:

Electrocardiogram

EEG:

Electroencephalogram

EF:

Ejection Fraction

HOCM:

Hypertrophic obstructive cardiomyopathy

HR:

Heart rate

ICD:

Implantable cardioverter defibrillator

LOC:

Loss of consciousness

MI:

Myocardial infarction

MRI:

Magnetic Resonance Imaging

MS:

Mitral stenosis

NMS:

Neurally mediated syncope

NSVT:

Non-sustained ventricular tachycardia

PCM:

Physical counter-pressure maneuvers

PE:

Pulmonary embolus

POTS:

Postural orthostatic tachycardia syndrome

PS:

Pulmonic stenosis

PVR:

Peripheral vascular resistance

RV:

Right ventricle

SBP:

Systolic blood pressure

SCD:

Sudden cardiac death

SHD:

Structural heart disease

SSS:

Sick sinus syndrome

SVT:

Supraventricular tachyarrhythmia

TIA:

Transient Ischemic Attack

VF:

Ventricular fibrillation

VT:

Ventricular tachycardia

WPW:

Wolff-Parkinson-White

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Zilinski, J.L., Danik, S.B., Danik, S.B. (2014). Syncope. In: Gaggin, H., Januzzi, Jr., J. (eds) MGH Cardiology Board Review. Springer, London. https://doi.org/10.1007/978-1-4471-4483-0_26

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  • DOI: https://doi.org/10.1007/978-1-4471-4483-0_26

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