9 results
Stroke Blood Vessel Localization and corresponding territories on MRI

by Jeremy Heit, MD, PhD @JeremyHeitMDPHD

#Stroke #CVA #Localization
Stroke Blood Vessel ... territories on MRI ... #CVA #Localization ... #Radiology #Arteries ... #Neurology #Artery
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
Findings in Acute Stroke ... #Stroke #CVA #MRI ... #Interpretation ... Progression #Timeline #Neurology ... #Radiology #Findings
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Findings in Stroke ... hyperintense at all ... #CVA #Clinical ... #Radiology #Interpretation ... #Findings #Neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... #Stroke #CVA #MRI ... #Interpretation ... Progression #Timeline #Neurology ... #Radiology #Findings
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
Catheterization Cheat Sheet: Interpretation ... ● Pulmonary arterial ... SVR = 80 x [mean artery ... Visualmed #RHC #Interpretation ... CheatSheet #Waveforms #Cardiology
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... • Strong association ... hyper-reactivity of coronary arteries ... changes on tele/ECG ... Prinzmetal #Angina #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Short QT <300-360 ms ... : ↑ca - Long QT ... #EKG #diagnosis ... electrocardiogram #cardiology ... #interpretation
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology ... • <6mo since stroke
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
PCWP PULMONARY ARTERY ... mortality in inferior MI ... reduce LV filling, stroke ... Ahmed Ghoneem, MD MSc ... catheter #diagnosis #cardiology