9 results
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
Stenosis in Adults ... stenosis (AS) as ... >50 mmHg (2) (Table ... #Stenosis #AorticStenosis ... #Classification
Aortic Stenosis Grading on echocardiography
The cut-offs for grading can be found in table 1. Discrepancies are
Aortic Stenosis ... can be found in table ... Diagnosis #Cardiology #Aortic ... #Stenosis #AorticStenosis ... #Classification
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... Differential Diagnosis Algorithm ... • Hypovolemic shock ... Stenosis: • Anacrotic ... Differential #Diagnosis #Algorithm
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Classification ... END-ORGAN DYSFUNCTION ... Hemorrhagic → leading ... #Classification ... warm #wet #dry #table
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Myocardial • Systolic Dysfunction ... • Diastolic Dysfunction ... Valvular • Stenosis ... Artery Disease • Stable
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Types - Classification ... END-ORGAN DYSFUNCTION ... Mechanical → severe aortic ... Hemorrhagic → leading ... #Classification
Aortic Stenosis Severity Classification

Mild AS:
 • Valve Area > 1.5 cm2
 • Mean Gradient < 20
Aortic Stenosis ... Severity Classification ... #Stenosis #Severity ... #Classification ... Diagnosis #Cardiology #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... Mechanical • Aortic ... stenosis • ... #Table #Causes
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... with valvular dysfunction ... or LV dysfunction ... risk (>5%): - Aortic ... Severe Aortic stenosis