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Somatosensory Evoked Potentials Anesthesiology Cheatsheet

 - Mark Harris, MD MPH @ https://twitter.com/MarkHarrisMD

#Somatosensory #Evoked #Potentials #Anesthesiology #Cheatsheet
Cheatsheet #Latency #Amplitude
REBEL Review 54: Thromboelastogram (TEG) Interpretation

R Time - Time to start forming clot 
K Time -
accumulation Maximum Amplitude ... Highest vertical amplitude ... Percentage of amplitude ... after maximum amplitude
Polyminimyoclonus (Minipolymyoclonus)

Polyminimyoclonus: intermittent, low-amplitude, arrhythmic movements commonly of several fingers, with “amplitudes just sufficient to produce
intermittent, low-amplitude ... fingers, with “amplitudes
Normal Thromboelastogram - Specific parameters represent the 3 phases of the cell-based model of haemostasis: initiation,
fibrin formation (amplitude ... clot strength (amplitude ... time to maximum amplitude ... -MA = maximum amplitude ... -A30 or LY30 = amplitude
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Variation in pulse amplitude ... parvus (small amplitude
Thromboelastography (trademarked as TEG)
 • Graphical representation of the fibrin polymerization process
 • Point-of-care anti-coagulation monitoring
cryoprecipitate MA (maximum amplitude ... Highest vertical amplitude ... minutes) • % of amplitude
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
frequency, high amplitude
R Wave Progression - normal chest lead ECG shows an rS-type complex in lead V1 with
in the S wave amplitude
Cabrini Respiratory Strain Score (CAB-RSS) - Potential Decision Tool for Respiratory Distress in COVID19

** Update 6/11/20:
updated Score here (amplitude ... - Respiratory amplitude
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
frequency, high amplitude