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Table 4 Characteristics of children with arrhythmias other than first degree AV block

From: Prevalence of arrhythmias among children below 15 years of age with congenital heart diseases attending Mulago National Referral Hospital, Uganda

Child’s age

Sex

Arrhythmia

Heart defect

Serum Electrolytes (mmol/L)

Heart failure

Anaemia

2 years

F

Ectopic atrial rhythm

Truncus arteriosus

Normal

Severe

Mild

3 years 8 months

M

Ectopic atrial rhythm

Pulmonary stenosis

↑ Mg2+ (1.17)

↓ K+ (2.30)

↓ Ca2+ (1.5)

No

Moderate

4 months

F

Ectopic atrial rhythm

TOF

↓ Na+ (131.3)

No

Moderate

3 years

M

PACs

ASD

↑ Na+ (147.8)

No

No

3 months

F

PACs

VSD

↑ Mg2+ (1.10)

↓ Na+ (131.0)

Severe

Moderate

10 months

M

PACs

Common atrium + PDA

Normal

Severe

No

6 years

F

Junctional rhythm

Dextrocardia + common atrium + VSD

↑ Mg2+ (1.0)

Severe

No

2 years 1 months

M

Complete AV block

TOF

Normal

Moderate

No

14 years

M

PVCs

Aortic stenosis

↓ Ca2+ (1.8)

↓ Na+ (127.0)

Severe

Severe

  1. Abbreviations: F female, M male, PACs premature atrial contractions, PVCs premature ventricular contractions, AV atrial ventricular. ↓ - Lower than the reference value for age, ↑ - Higher than the reference value for age. Values of calcium are total serum calcium levels