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عمومی::
هیپوتانسیون
* Nonsustained VT: Lasts <30 seconds and does not require intervention Clinical Manifestations * Typically, symptoms of decreased cardiac output (orthostasis, hypotension, syncope, exercise limitations, etc) do develop.
* Symptoms of decreased cardiac output (orthostasis, hypotension, poor perfusion, syncope, etc) present before pulseless arrest Common Etiologies * Acute ischemic event (see Pathophysiology) with areas of ventricular irritability
* Symptoms of decreased cardiac output typical (orthostasis, hypotension, syncope, signs of poor perfusion, etc)
* With increased activity and sinus node dysfunction, a persistent slow rate can lead to symptoms of easy fatigue, shortness of breath, dizziness or lightheadedness, syncope, hypotension, diaphoresis, pulmonary congestion, and frank pulmonary edema.
* Signs: Hypotension, shock, pulmonary congestion, congestive heart failure, angina Common Etiologies * AV nodal blocking agents: �-blockers, nondihydropyridine calcium channel blockers, digoxin
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