2849 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
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Cardiovascular Causes ... Dissection • Dilating ... / Mediastinal Causes ... Sarcoidosis Other Causes ... Diagnosis #Algorithm #causes
Type A Aortid Dissection - Suprasternal View

Type A Aortic Dissection (TAD), present on this suprasternal view
effusion, & AOFT dilation ... supports PE or other causes
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
cutaneous capillary dilation ... Causes: 1) Exfoliative
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
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
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - Permanent dilation ... WHAT ARE COMMON CAUSES ... #differential #causes
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