Cardiogenic Shock

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Early

Cardiogenic Shock

s/s

Diagnostic findings

⇧Cardiac markers ⇧b-type natriuretic peptide(BNP) ⇧Blood glucose ⇧BUN -ECG(e.g. dysrhythmias) -Echocardiogram(e.g.left ventricular dysfx) -chest x-ray(e.g. pulmonary infiltrates)

cerebral perfusion impaired

-Anxiety -confusion -agitation

⇓ renal BF

⇓ urinary output

Na+ & H20 retention

Signs of peripheral hypoperfusion

-cyanosis -pallor -diaphoresis -weak peripheral pulse -cool & clammy skin -delayed cap refill

-tachypneic -crackles -⇧ PAWP -⇧ SVV -⇧Pulmonary vascular resistance

⇧SVR-->⇧ O2 consumption

-tachycardia -hypotension -narrowed pulse pressure

Leading cause of death from MI

systolic dysfx: heart's inability to pump the blood forward

Most common cause: MI

primarily affects the LV

CO=SV X HR

⇓filling results in ⇓ SV

either systolic or diastolic dysfx of the ♡'s pumping action results in ⇓ CO(⇓ 4L/min)