690 results
Frank-Starling Curve in Congestive Heart Failure

Goal in HF mgmt is to reduce preload (EDV) to reach
Frank-Starling Curve ... to reach higher SV ... Frank Starling curve ... FrankStarling #Curve
Oxygen Hemoglobin Dissociation curve

Curva de disociacion de oxi-hemoglobina
 #Cardiology#CEM
Hemoglobin Dissociation curve ... Curva de disociacion
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
capacity (FVC) curves ... Curves are as they ... Restrictive #Normal #Comparison
T-Wave ECG changes in Hyperkalemia vs Hyperacute MI
 - Hyperkalemia: Increased height, without increase area
 -
area under the curve ... electrocardiogram #comparison
POCUS - Measuring Cardiac Output
1) Calculate LVOT Area
2) Calculate LVOT VTI
3) Calculate Cardiac Output

SV = (LVOT
Cardiac Output SV ... CO (mL/min) = SV
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin Dissociation Curve ... #Dissociation #Curve
Pulse Oximetry Summary
Pulse oximetry is the non-invasive continuous measurement of the oxygen saturation of hemoglobin. It
Using a standard curve ... increase with greater SV
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Oxyhemoglobin Dissociation Curve ... #Dissociation #Curve
Stroke Volume & Cardiac Output Measurement on POCUS
Accurately measure LVOT diameter:
1. Obtain PLAX 
2. Zoom to
LVOT Diam/2) 2 SV
How to Float a PA (Swan-Ganz) Catheter
1) Place an introducer catheter, usually 15 to 20cm, into
maintain the natural curve ... catheter such that is curves