21 results
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... Vasopressors #Inotropes #comparison ... #table #pharmacology ... #criticalcare
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... findings based on cause ... #table #comparison ... #criticalcare
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... 85% of predicted value ... production to cause ... : EKG ($), ECHO ... Stress #Testing #cardiology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
values. 3. ... risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... by excretion (e.g ... its metabolism (e.g ... of lactate as a clinical ... to bolus these values
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
ECG is vital while ... essentially Cardiogenic Shock ... the determined cause ... #treatment #table ... heartfailure #chf #criticalcare
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... the case as Typical ... that’s called “clinical ... PhysicalExam #JVP #Cardiology
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Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... obstruction - Able ... identify non-calculus causes ... MRI - Limited value ... for non-calculus causes
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... left-sided heart valves ... in up to 30% of cases ... #Endocarditis #comparison ... #table
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... systemic sx + signs ... not be subtle e.g ... or sed rate): Value ... E.g. 80 yo ESR cutoff