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Sick sinus syndrome

Sick sinus syndrome (SSS), also called sinus node dysfunction (SND), is an umbrella term for a group of abnormal heart rhythms (arrhythmias) presumably caused by a malfunction of the sinus node, the heart's primary pacemaker. Bradycardia-tachycardia syndrome is a variant of sick sinus syndrome in which slow arrhythmias and fast arrhythmias alternate. In recent years, the syndrome has become increasingly prevalent in dogs. The reason is unknown.

Source: Wikipedia

What are the symptoms?

Within all the people who go to their doctor with sick sinus syndrome, 37% report having dizziness, 35% report having shortness of breath, and 35% report having sharp chest pain. The symptoms that are highly suggestive of sick sinus syndrome are palpitations, decreased heart rate, and bleeding or discharge from nipple, although you may still have sick sinus syndrome without those symptoms.


What might my doctor prescribe?

Common Tests and Procedures

Patients with sick sinus syndrome often receive electrocardiogram, other diagnostic procedures (interview; evaluation; consultation), ultrasonography, echocardiography, lipid panel, diagnostic cardiac catheterization; coronary arteriography, depression screen and cardiac stress tests .

Common Medications

The most commonly prescribed drugs for patients with sick sinus syndrome include warfarin, digoxin, sotalol, amiodarone, torsemide, vitamin e (vita-e), bumetanide, flecainide, ibandronate (boniva), dofetilide (tikosyn), dopamine, isosorbide mononitrate (ismo) and nebivolol (bystolic) .

Warfarin
$12
(28 days)
Digoxin
$6
(28 days)
Sotalol
$19
(28 days)
Amiodarone
$18
(28 days)
Torsemide
$23
(28 days)
Vitamin E (Vita-E)
$4
(28 days)
Bumetanide
$11
(28 days)
Flecainide
$39
(28 days)
Ibandronate (Boniva)
$105
(28 days)
Dofetilide (Tikosyn)
$185
(28 days)
Dopamine

Isosorbide Mononitrate (Ismo)

Nebivolol (Bystolic)
$51
(28 days)

Who is at risk?

Groups of people at highest risk for sick sinus syndrome include age 75+ years.

Age

< 1 years
0.1x
1-4 years
0.1x
5-14 years
0.1x
15-29 years
0.1x
30-44 years
0.1x
45-59 years
0.4x
60-74 years
1.3x
75+ years
7.2x

Sex

Male
1.1x
Female
1.0x

Race/Ethnicity

Black
0.4x
Hispanic
0.7x
White
1.3x
Other
0.7x
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