Tachycardia: Difference between revisions
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→Differentiation between SVT and VT
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: QRS duration > 120 ms. | : QRS duration > 120 ms. | ||
: A broad complex tachycardia can be due to a SVT with aberration, pre-exited tachycardia (eg antidrome re-entry tachycardia) or VT. | : A broad complex tachycardia can be due to a SVT with aberration, pre-exited tachycardia (eg antidrome re-entry tachycardia) or VT. | ||
===Differentiation:=== | ===Differentiation:=== | ||
(Figure 1, small complex tachy algorithm) | (Figure 1, small complex tachy algorithm) | ||
(Figure 2, broad complex tachy algorithm) | (Figure 2, broad complex tachy algorithm) | ||
===Treatment:=== | ===Treatment:=== | ||
'''Haemodynamical instability ( | '''Haemodynamical instability (systolic blood pressure less than 100 mmHg):''' | ||
* electrical cardioversion | * electrical cardioversion | ||
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* Verapamil (if patient is not having systolic heart failure) | * Verapamil (if patient is not having systolic heart failure) | ||
* Beta-blocker (if patient is not having systolic heart failure) | * Beta-blocker (if patient is not having systolic heart failure) | ||