C246/247 Approach To Supraventricular Tachyarrhythmias; Physiologic And Nonphysiologic Sinus Tachycardia

Question 1

Location of conduction block in wide vs narrow QRS tachycardia

Answer 1

narrow: over Purkinje system

Wide: L or R Bundle branch ; or from accessory pathways

Question 2

Ventricular preexcitatiom on resting ECG suggests AV reciprocating tachycardia using _________________

Answer 2

Ventricular preexcitatiom on resting ECG suggests AV reciprocating tachycardia using accessory pathway

Question 3

6 vagal maneuvers accd to harrisons

Answer 3

Question 4

5 examples of tachycardias originating from the atrium

Answer 4

Question 5

tachycardia from the normal sinus node area that occurs without an identifiable precipitating factor as a result of dysfunctional autonomic regulation

Answer 5

Inappropriate sinus tachycardia

Question 6

regular atrial tachycardia with defined P wave may be sustained, nonsustained, paroxysmal, or incessant, frequent sites of origin occur along the valve annuli of left or right atrium, pulmonary veins, coronary sinus musculature, superior vena cava

Answer 6

Focal atrial tachycardia

Question 7

macroreentry reflected as organized atrial activity on an electrocardiogram (ECG), commonly seen as sawtooth flutter waves at rates typically faster than 200 beats/min

Answer 7

Atrial flutter and macroreentrant atrial tachycardia

Question 8

most common sustained cardiac arrhythmia in older adults

Vs

most common paroxysmal sustained tachycardia in healthy young adults;

Answer 8

Atrial fibrillation

Vs

AVNRT

Question 9

multiple discrete P waves often seen in patients with pulmonary disease during acute exacerbations of pulmonary insufficiency

Answer 9

Multifocal atrial tachycardia

Question 10

paroxysmal regular tachycardia with P waves visible at the end of the ORS complex or not visible at all; the most common paroxysmal sustained tachycardia in healthy voung adults; more common in women

Answer 10

AVNRT

Question 11

2 types of tachycardias assoc with accessory atrioventricular pathways

Answer 11

Orthodromic AV reciprocating tachycardia

Preexcited tachycardia

Question 12

Term used for Orthodromic AV reciprocating tachgcardia if with VS without evidence ventricular preexcitation

Answer 12

With evidence: Wolff-Parkinson-White synfrome

Without Evidence: concealed accessory pathway

Question 13

Wide QRS tachycardia with QRS morphology similar to ventricular tachycardia

Answer 13

Preexcited tachycardia

Question 14

The only 2 SV tachyarrhythmia (narrow complex) with IRREGULAR atrial and ventricular rates

Answer 14

Question 15

The only SV tachyarrhythmia (narrow complex) with more V’s than A’s

Answer 15

Junctional tachycardia

Question 16

Most commom SVT

Answer 16

sinus tachycardia

Question 17

First step in diagnosis of SVT

Answer 17

consider possibility of sinus tachycardia

Question 18

SVT that are terminated by AV blockade (3)

Answer 18

AVNRT
AVRT
Adenosine sensitive FAT

Question 19

SVTs that are slowed by AV blockade

Answer 19

Question 20

SVTs were atrial rate continues with AV block

Answer 20

Question 21

In postural orthostatic tachycardia syndrome, the sinus rate increases by _____beats/min or to greater than ______beats/min within 10 min of standing and in the absence of hypotension.

Answer 21

In postural orthostatic tachycardia syndrome, the sinus rate increases by 30 beats/min or to >120 beats/min within 10 min of standing and in the absence of hypotension.

Question 22

5 ways to manage Postural orthostatic tachycardia syndrome

Answer 22