EKG
Atrial Tachycardia
search
Atrial Tachycardia
, Multifocal Atrial Tachycardia
See Also
Supraventricular Tachycardia
Atrioventricular Nodal Reentry
(
AVNRT
)
Atrioventricular Reciprocating Tachycardia
(
AVRT
)
Atrial Tachycardia
Unstable Tachycardia
Sinus Tachycardia
Atrial Fibrillation
Unstable Tachycardia
Narrow Complex Tachycardia
Wide Complex Tachycardia
Cardiopulmonary Resuscitation
Supraventricular Tachycardia Management in the Child
Supraventricular Tachycardia Management in the Adult
Definition
Form of
Supraventricular Tachycardia
(10% of cases) with increased automaticity
Pathophysiology
Abnormal focus of atrial automaticity (outside the
SA Node
)
Unlike
AVNRT
and
AVRT
, no accessory pathway is involved
Findings
Gene
ral
Heart Rate
130 to 180 (up to 250)
Types
Atrial Tachycardia
Focal
Macroentrant
Multifocal Atrial Tachycardia
Irregular narrow complex rhythm with 3 or more different
P Wave
morphologies
Causes
Multifocal Atrial Tachycardia
Causes: Enlarged atrium
Chronic lung disease
Congestive Heart Failure
Causes: Other
Acid-base disturbance
Electrolyte
abnormalities
Hypokalemia
Hypomagnesemia
References
Colucci (2010) Am Fam Physician 82(8): 942-52 [PubMed]
Delacretaz (2006) N Engl J Med 354(10): 1039-51 [PubMed]
Helton (2015) Am Fam Physician 92(9): 793-800 [PubMed]
Kumar (2006) Cardiol Clin 24(3): 427-37 [PubMed]
Type your search phrase here