2946 results
Approach to Conjugated Hyperbilirubinemia - Differential Diagnosis Algorithm

1. Definition: T.bili elevation + >20% conjugated
2. Obtain RUQ
look for ductal dilation ... No dilation = intrahepatic ... non-ICU vs ICU causes
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Factitious IMPAIRED DILATION ... Preganglionic - No dilation ... Postganglionic - Dilation ... Diagnosis #Algorithm #Causes
Phenylephrine - Anesthesia Pharmacology
Trade Name: Phenylephrine
Brand Name(s): Neo-Synephrine
Drug Type: α-1 Agonist
Time of Onset: Rapid
Duration of Action:
α-1 receptors causes ... vasoconstriction and may cause ... decongestant and causes ... pupillary dilation ... Uses: Hypotension
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
cutaneous capillary dilation ... Causes: 1) Exfoliative
Type A Aortid Dissection - Suprasternal View

Type A Aortic Dissection (TAD), present on this suprasternal view
effusion, & AOFT dilation ... supports PE or other causes
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... stretch) RA/RV Dilation ... "rotates" with dilation
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Slow pupillary dilation ... dissociation • Other causes
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
• Higher doses cause ... : renal artery dilation ... cAMP/cGMP • Causes
Endoscopic balloon dilation of subglottic stenosis
The video shows balloon dilation of a grade 3 subglottic stenosis,
Endoscopic balloon dilation ... shows balloon dilation ... In this case, the ... the airway was caused ... pediatrics #balloon #dilation
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Vitamin C & E Dilutional