17 results
Imaging options for exclusion of PE in pregnant women
The radiation dose required for either V/Q scanning
for exclusion of PE ... are outlined in Table ... PulmonaryEmbolism #PE ... #Pregnancy #Workup ... Imaging #Comparison #Table
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup ... life-threatening causes ... rupture Initial workup ... Well score for PE ... Diagnosis #Algorithm #workup
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... lungs: massive PE ... Differential #Diagnosis #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
bradycardia • Sinus pauses ... • Massive PE ... Classification #Table ... #Causes
Pulmonary Embolism - Risk Stratification and Prognostication based on scores and clinical features

 • Bova score
score (30-day PE-related ... class (30-day all cause ... Hemodynamics (Stable
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Testing Common causes ... Tests to evaluate cause ... #Screening #Workup ... #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... Hypertension - Workup ... with previously stable ... #Hypertension #Workup ... #causes #Differential
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
tamponade, Vascular → PE ... findings based on cause ... Differential #Diagnosis #table
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
arrest where other causes ... chlorhexidine as cause ... as a possible cause ... as patient is stable ... Diagnosis #Management #Workup