253 results
The parasympathetic and sympathetic systems - Activation and inhibition pathways by organ system

#Sympathetic #Parasympathetic #Systems #Pathways
and inhibition pathways ... Parasympathetic #Systems #Pathways ... #Preganlionic #Postganglionic
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Ill Findings) Postganglionic ... Breast, Thyroid) Postganglionic ... Diagnosis #Algorithm #Causes
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
and extrinsic pathways ... in the common pathway ... Causes include : ... Pre-analytical cause ... to the common pathway
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... damage to the postganglionic ... infection which causes
Antiemetics and Vomiting

#Pathophysiology #Antiemetics #Locations #Action #Pathways #Nausea #Chemotherapy #TriggerZone #CTZ
Locations #Action #Pathways ... #Nausea #Chemotherapy
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... deficiencies: Contact pathway ... Pre-analytical cause ... to the common pathways ... aPTT #Prolonged #Causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
WPW is caused by ... electrical conduction pathway ... this abnormal pathway
First Generation Anti-Psychotics: Mechanisms and Side Effects
Typical/Conventional Anti-Psychotics - Examples: Haloperidol, Chlorpromazine

ACh M1 antagonist - Block
Hypotension Mesolimbic Pathway ... Mesocortical Pathway ... Tuberoinfundibular Pathway ... Nigrostriatal Pathway ... , and/or limbs caused
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
discomfort Cardiac Causes ... • Accessory pathway ... ) Non-Cardiac Causes ... Diagnosis #Algorithm #causes