Life-threatening arrhythmia caused by primary aldosteronism.
BACKGROUND
Arrhythmias are one of the typical complications of primary aldosteronism (PA), is commonly characterized by hypertension and hypokalemia.


METHODS
In this report, we present 3 cases of subjects in whom primary aldosteronism manifested with life-threatening arrhythmias. In 2 subjects, after excluding organic heart disease, an implantable cardioverter defibrillator was inserted and, only after the second episode of polymorphic ventricular tachycardia accompanied with low plasma potassium levels, the diagnosis of primary aldosteronism was made.


CONCLUSIONS
It is important to include diagnosis of primary aldosteronism in the diagnostic work-up of hypertensive subjects without any structural cardiovascular impairment who present with malignant arrhythmia and hypokalemia. Appropriate treatment of primary aldosteronism may avoid insertion of an implantable cardioverter defibrillator.
Zelinka
Tomás
T
3rd Medical Department of the 1st Faculty of Medicine and General Teaching Hospital, Prague, Czech Republic.
Holaj
Robert
R
Petrák
Ondrej
O
Strauch
Branislav
B
Kasalický
Mojmír
M
Hanus
Tomás
T
Melenovský
Vojtech
V
Vancura
Vlastimil
V
Bürgelová
Marcela
M
Widimský
Jirí
J
D000328:Adult; D001145:Arrhythmias, Cardiac / Q000209:etiology* / Q000628:therapy; D017147:Defibrillators, Implantable; D005260:Female; D006801:Humans; D006929:Hyperaldosteronism / Q000150:complications* / Q000175:diagnosis*; D006973:Hypertension / Q000209:etiology; D007008:Hypokalemia / Q000209:etiology; D008297:Male; D008875:Middle Aged; D017180:Tachycardia, Ventricular / Q000209:etiology / Q000628:therapy; D016171:Torsades de Pointes / Q000209:etiology / Q000628:therapy