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The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
central cause of AVS ... patients with an AVS ... PhysicalExam #Neurology #AVS ... #VestibularSyndrome ... Peripheral #Central #HeadImpulse
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
This patient as ... PeterJohns84 #Normal #HeadImpulse
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
#Abnormal #HeadImpulse
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
#Abnormal #HeadImpulse
Limb Lead Reversal
In order to understand why the leads look the way they do, we must
As for the aVL/aVF ... remember that aVL ... /aVF/aVR are all ... activity of the heart as ... #aVR #aVF
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ST elevation in ACS ... PR elevation in aVR ... vs pericarditis ... instead of ACS.
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
inferior leads), I & aVL ... lateral leads), and as ... you can see aVR ... contiguous lead (aVR ... contiguous I, aVL
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs - VT vs ... Tachycardias DDx = VT vs ... is positive in aVR ... negative in I + aVF ... (> 160ms) - AV
Progression of EKG changes in Acute Coronary Syndrome (ACS)
Hyperacute T waves:
 • Broad-based and symmetrical, usually
Coronary Syndrome (ACS ... normally inverted in aVR ... In leads l, I, aVL ... , aVF, or V4-V6 ... SatyaPatelMD #EKG #ACS
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Atrial Tachy w/ AV ... AFib w/ Variable AV ... Block, Mobitz I AV ... Block, Mobitz II AV ... QRS, Mobitz II AV