Cardiogenic Shock

m

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

⇓filling results in
⇓ SV

CO=SV X HR

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

primarily affects
the LV

Most common
cause: MI

Leading cause of
death from MI

s/s

-tachycardia
-hypotension
-narrowed pulse
pressure

⇧SVR-->⇧ O2
consumption

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

Signs of peripheral
hypoperfusion

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

⇓ renal BF

Na+ &
H20 retention

⇓ urinary
output

cerebral perfusion
impaired

-Anxiety
-confusion
-agitation

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)

Early