1025 results
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
(heart: acute, massive ... Thrombosis (lungs: massive ... Differential #Diagnosis #Table
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
lysissyndrome - Massive ... Differential #Diagnosis #Table
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Administration - Massive ... High #Magnesium #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
as a result of massive ... Pattern #Comparison #Table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
blood flow) - Massive ... Classification #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
end-stage with massive ... Pattern #Comparison #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
cardiomyopathy • Massive ... Classification #Table
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
RV failure from massive ... warm #wet #dry #table
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy)

Pill endoscopy
 • Able to
endoscopy • Able ... non-therapeutic, massive ... Enterography • Able ... • Therapeutic, able ... gastroenterology #table
D-Sign in a lady with Massive PE - The LV should always be round like a
in a lady with Massive ... #PSAX #DSign #MassivePE