12 results
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 ... and are usually caused ... Diagnosis #Cardiology #Aortic ... AorticStenosis #Classification
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
Severity of Aortic ... as follows: aortic ... >50 mmHg (2) (Table ... , inconsistent grading ... AorticStenosis #Classification
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Differential Diagnosis by Classification ... • Ruptured aortic ... exacerbation (any cause ... Differential #Diagnosis #Classification ... #Table #CriticalCare
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... Mechanical • Aortic ... Differential #Diagnosis #Classification ... #Table #Causes
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS Evaluation ... Algorithm Algorithm ... Diamond-Forrester classification ... physical activity - Nausea ... ChestPain #ACS #Evaluation
Aortic Stenosis Severity Classification

Mild AS:
 • Valve Area > 1.5 cm2
 • Mean Gradient < 20
Aortic Stenosis ... Severity Classification ... Velocity > 4 m/s #Aortic ... Stenosis #Severity #Classification ... Diagnosis #Cardiology #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Low #Magnesium #Table ... #Classification ... #Causes #Workup
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Classification ... Mechanical → severe aortic ... Hemorrhagic → leading ... water #Shock #Classification ... warm #wet #dry #table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Oral sodium loading ... Hyperthyroidism • Aortic ... #Screening #Workup ... #table
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... Approach (when evaluation ... with previously stable ... Coarctation of aorta ... #Hypertension #Workup