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diagnosis cardiology clinical differential management pocus algorithm causes echocardiogram radiology cardiac ekg pharmacology chf cxr pathophysiology video radiologyassistant comparison signs
Mean Arterial Pressure (MAP) Average arterial pressure throughout one cardiac cycle, systole, and diastole. Surrogate indicator of
output (CO) = Heart ... Afterload also affects ... Heart rate is affected ... dromotropy, and lusitropy ... chronotropy #dromotropy #lusitropy
Hypertrophic Obstructive Cardiomyopathy: Heart Murmur • Occurs during systole • Crescendo-decrescendo murmur • Heard best
Cardiomyopathy: Heart ... Crescendo-decrescendo murmur • Heard ... reductions in afterload ... elevations in afterload ... Cardiomyopathy #Heart
Causes of acute heart failure - Acute pressure overload (increased afterload, mechanical flow obstruction) -
Causes of acute heart ... overload (increased afterload ... arrhythmias #Acute #Heart
Congestive Heart Failure - Causes, Pathophysiology and Differential Diagnosis • Dilated Cardiomyopathy • Hypertrophic Cardiomyopathy
Congestive Heart ... HFpEF Causes: • Afterload
VA ECMO Unloading - LV Venting Different LV Venting Strategies work through these basic mechanisms: ↓ Preload,
Contractility, ↓ Afterload ... Vasodilators: ↓ Afterload ... Reducing ECMO Flow: ↓ Afterload ... • IABP: ↓ Afterload
Cardiac Maneuvers and Effects on Murmurs Valsalva Standing - Decr BIood Return to LV Laying Down, Squatting, Straight
Phenylephrine - Incr Afterload ... Nitrate - Decr Afterload ... Post PVC - Decr Afterload
Medications Used in Congestive Heart Failure In CHF, the heart is failing as a pump; cardiac output
in Congestive Heart ... In CHF, the heart ... strain on the heart ... if the heart failure ... Cardiology #Preload #Afterload
The Death Spiral: Increased RV Afterload (Acute PE) #Pathophysiology #PE #PulmonaryEmbolism #Embolism #DeathSpiral #Shock #RVDysfunction #RebelEM
: Increased RV Afterload
Post-TAVR Suicide Left Ventricle Pre-TAVR: High afterload from aortic stenosis leads to compensatory left ventricular hypertrophy and
Pre-TAVR: High afterload ... Post-TAVR: Rapid ↓ in afterload ... Phenylephrine to ↑ Afterload
Mechanical Cardiac Support Devices Compared Cannula Size - Insertion Technique - Haemodynarnic Support IABP: • Afterload: Reduced •
Support IABP: • Afterload ... increase ECMO: • Afterload ... TandemHeart: • Afterload ... Impella: • Afterload
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