心脏电生理及射频消融基础VIP免费

电生理相关资料电生理相关资料 Cardiac vein stenosisPTCA with 3.5 mm balloonFinal result Modified Seldinger technique for percutaneous catheter sheath introduction Sequence of P Wave GenerationSequence of P Wave GenerationSinus Node SAJunctionAtrium(P wave)Non-visible process on the EKG AV node“Slowzone”IVCLead II SUMMARYMechanisms of SVTAtrial TachycardiaAVNRTAVRTFPSP Differential Diagnosis of NCTDifferential Diagnosis of NCT Short RPShort RP AVRTAVRT ATAT Slow-Slow Slow-Slow AVNRTAVNRT Long RPLong RP ATAT Atypical Atypical AVNRTAVNRT PJRTPJRT P buried in P buried in QRSQRS Typical AVNRTTypical AVNRT ATAT JETJET SUMMARYSUMMARY Obtain a 12 lead ECG. The location of the P wave will dictate tObtain a 12 lead ECG. The location of the P wave will dictate the differential diagnosishe differential diagnosis If hemodynamically unstable (chest pain, heart failure, hypoteIf hemodynamically unstable (chest pain, heart failure, hypotension)- CARDIOVERSIONnsion)- CARDIOVERSION If hemodynamically stable -AV NODAL AGENTIf hemodynamically stable -AV NODAL AGENT Long term therapy depends on mechanism and can be conservLong term therapy depends on mechanism and can be conservative, pharmacologic or invasive ative, pharmacologic or invasive  EP study often needed for definitive characterization of mechaEP study often needed for definitive characterization of mechanism and can cure most SVTs with 90% success ratenism and can cure most SVTs with 90% success rate AVNRTAVNRT Atrial flutter – sawtooth or picket feAtrial flutter – sawtooth or picket fencence Atrial flutter with rapid responseAtrial flutter with rapid response Arrhythmias: SA BlockArrhythmias: SA BlockPQRS T Arrhythmias: Atrial FlutterArrhythmias: Atrial Flutt...