PSVT (Paroxysmal supraventricular Tachycardia) TACHYARRHYTHMIAS SINUS TACHYCARDIA

 

TACHYARRHYTHMIAS PSVT Paroxysmal supraventricular Tachycardia DIAGNOSIS with Treatment

     

SINUS TACHYCARDIA —

   

SINUS TACHYCARDIA 2

TACHYARRHYTHMIAS PSVT Paroxysmal supraventricular Tachycardia DIAGNOSIS with Treatment

  • Heart rate exceeds 100 beats/min
  • Gradual onset and offset
  • Normal PQRST.

 

PSVT Proxysmal supraventricular Tachycardia —

 

PSVT

TACHYARRHYTHMIAS PSVT Paroxysmal supraventricular Tachycardia DIAGNOSIS with Treatment

 

Features of PSVT

   

  • There is sudden onset and offset of very fast regular heart beats (120 – 250 beats per minute) with palpitations and sometime dizziness, discomfort, and altered consciousness.
  • It may subside after a few minutes to a few hours spontaneously or with treatment.
  • When it subsides suddenly the patient feels urge to pass urine and micturates frequently.
  • Patient feels normal after the attack.
  • The frequency of attacks of PSVT is very variable.

 

Clinical features of PSVT —

   

  • ·Palpitations
  • Syncope
  • Acute pulmonary oedema
  • Heart failure
  • Hypotension

 

Treatment of PSVT

   

  • Carotid sinus massage
  • For hypotension – IV phenylephrine – 0.1 mg in increasing doses Verapamil 2.5 – 10 mg IV
  • Adenosine 6-12 mg IV
  • Beta blockers
  • Digitalis
  • Atrial or ventricular pacing DC cardioversion
  • Radio frequency catheter ablation of AV node.
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