868 results
Post-TAVR Suicide Left Ventricle
Pre-TAVR: High afterload from aortic stenosis leads to compensatory left ventricular hypertrophy and
Post-TAVR Suicide Left ... Pre-TAVR: High afterload ... to compensatory left ... Post-TAVR: Rapid ↓ in afterload ... PostTAVR #Suicide #Left
Hypertrophic Obstructive Cardiomyopathy: Heart Murmur
 • Occurs during systole 
 • Crescendo-decrescendo murmur
 • Heard best
• Heard best left ... reductions in afterload ... elevations in afterload
Mean Arterial Pressure (MAP)

Average arterial pressure throughout one cardiac cycle, systole, and diastole. 
Surrogate indicator of
Afterload also affects ... an increase in afterload ... dromotropy, and lusitropy ... #afterload #Heartrate ... chronotropy #dromotropy #lusitropy
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
CHF - Left-Sided Heart Failure - Differential Diagnosis Algorithm

Valvular Disease (Preserved Diastolic/Systolic Function)
 • Mitral Stenosis
CHF - Left-Sided ... Genetic Increased Afterload ... Myocardial Ischemia • Left
The Death Spiral: Increased RV Afterload (Acute PE) 
#Pathophysiology #PE #PulmonaryEmbolism #Embolism #DeathSpiral #Shock #RVDysfunction #RebelEM
: Increased RV 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
Causes of acute heart failure
 - Acute pressure overload (increased afterload, mechanical flow obstruction) 
 -
overload (increased afterload
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
Contractility: • Left ... inotropes Decreased Afterload