Categories

Holter ECG recordings are organized in different categories based on the predominant event/activity. The following table shows the codes that identify the categories, the predominant events and the description of the rules used to include the Holter ECG recordings in the category.

Sub-categories

Each holter is sub-categorized based on its predominant event. More details

Each Holter is sub-categorized based on its predominant event. The following table shows, for each predominant event, all possible sub-categories and their description.

Predominant Event

Sub-Category

Sub-Category Description

Ventricular Tachycardia (VTF)

FAST

SUSTAINED

Heart Rate >=100bpm

Ventricular Tachycardia length >= 30 seconds

FAST

Non SUSTAINED

Heart Rate >=100bpm

Ventricular Tachycardia length < 30 seconds

SLOW

SUSTAINED

Heart Rate <100bpm

Ventricular Tachycardia length >= 30 seconds

SLOW

Non SUSTAINED

Heart Rate <100bpm

Ventricular Tachycardia length < 30 seconds

Atrial Ventricular Block (AVB)

Third-degree

1 or more third degree AVB

Second-degree, Type 2

1 or more second degree-type II AVB

Second-degree, Type 1

1 or more second degree-type I AVB

Atrial TachyArrhythmnia (ATA)

Mix

PERMANAENT BURDEN

AHRE

There are different types of ATA (fibrillation, flutter, tachycardia)

Percentage of time in ATA >95%

At least 1 ATA with HR >180bpm

Mix

HIGH BURDEN

AHRE

There are different types of ATA (fibrillation, flutter, tachycardia)

Percentage of time in ATA >=50%

At least 1 ATA with HR >180bpm

Mix

LOW BURDEN

AHRE

There are different types of ATA (fibrillation, flutter, tachycardia)

Percentage of time in ATA <50%

At least 1 ATA with HR >180bpm

Mix

PERMANAENT BURDEN

No AHRE

There are different types of ATA (fibrillation, flutter, tachycardia)

Percentage of time in ATA >95%

All ATA have HR <180bpm

Mix

HIGH BURDEN

No AHRE

There are different types of ATA (fibrillation, flutter, tachycardia)

Percentage of time in ATA >=50%

All ATA have HR <180bpm

Mix

LOW BURDEN

No AHRE

There are different types of ATA (fibrillation, flutter, tachycardia)

Percentage of time in ATA <50%

All ATA have HR <180bpm

Only AFIB/Flutter/Tachycardia

PERMANAENT BURDEN

AHRE

All ATAs are AFIB/Flutter/Tachycardia

Percentage of time in ATA >95%

At least 1 ATA with HR >180bpm

Only AFIB/Flutter/Tachycardia

HIGH BURDEN

AHRE

All ATAs are AFIB/Flutter/Tachycardia

Percentage of time in ATA >=50%

At least 1 ATA with HR >180bpm

Only AFIB/Flutter/Tachycardia

LOW BURDEN

AHRE

All ATAs are AFIB/Flutter/Tachycardia

Percentage of time in ATA <50%

At least 1 ATA with HR >180bpm

Only AFIB/Flutter/Tachycardia

PERMANAENT BURDEN

No AHRE

All ATAs are AFIB/Flutter/Tachycardia

Percentage of time in ATA >95%

All ATAs have HR <180bpm

Only AFIB/Flutter/Tachycardia

HIGH BURDEN

No AHRE

All ATAs are AFIB/Flutter/Tachycardia

Percentage of time in ATA >=50%

All ATAs have HR <180bpm

Only AFIB/Flutter/Tachycardia

LOW BURDEN

No AHRE

All ATAs are AFIB/Flutter/Tachycardia

Percentage of time in ATA <50%

All ATAs have HR <180bpm

Premature Ventricular Contraction (PVC)

FREQUENT

SHORT CI

Number of PVC >=1000

% of PVC with CI (N-V interval) <320ms

No FREQUENT

SHORT CI

Number of PVC <1000

% of PVC with CI (N-V interval) <320ms

Premature Atrial Contraction (PAC)

FREQUENT

Number of PAC > = 1000

No FREQUENT

Number of PAC < 1000

Pause (PAU)

Not Applicable

Not Applicable

Normal Sinus Rhythm (NSR)

Not Applicable

Not Applicable