19 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... (abnormal) in nearly ... and negative (normal ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(i.e. entirely positive ... axis") — QRS is positive ... of normal duration ... Versus #ecg #ekg #cardiology ... #diagnosis #electrocardiogram
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
morphology ● AV ... of normal sinus ... AV dissociation ... Aberrancy #Comparison #Diagnosis ... #Cardiology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Unknown nature & benign ... Young females Differential ... Diagnosis: • CN ... Ill Palsy - abnormal ... #neurology #ophthalmology
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A positive test, ... also known as a ... A positive response ... Reflex #Plantar #PhysicalExam ... #Diagnosis #Neurology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... Escape Rhythm Abnormal ... tachyarrhythmias #Cardiology ... #Differential #
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
(≥ 0.12s) with abnormal ... Diagnosis: • PAC ... to PVCs but are benign ... #differential # ... cardiology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... consumption • Low/Normal ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework ... ST Elevation of Normal ... Segment #Elevation #differential ... #diagnosis #cardiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Immunocompromised vs ... Chorioretinitis • Diagnosis ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology