347 results
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
: No effect • Chronotropy ... Inotropy: Decrease • Chronotropy
Clinician's Pocket Guide to Vasopressors - Receptor Profiles and Hemodynamic Parameters
 • Systemic Vascular Resistance -
contractions • Chornotropy ... #Pharmacology #Summary
POCUS - Measuring Cardiac Output
1) Calculate LVOT Area
2) Calculate LVOT VTI
3) Calculate Cardiac Output

SV = (LVOT
Cardiac Output SV ... CO (mL/min) = SV
Mean Arterial Pressure (MAP)

Average arterial pressure throughout one cardiac cycle, systole, and diastole. 
Surrogate indicator of
Stroke Volume (SV ... affected by the chronotropy ... afterload #Heartrate #chronotropy ... cardiacoutput #Co #SV
Pulse Oximetry Summary
Pulse oximetry is the non-invasive continuous measurement of the oxygen saturation of hemoglobin. It
Pulse Oximetry Summary ... increase with greater SV ... Pulse #Oximetry #Summary
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
- Pharmacology Summary ... not inotropic/chronotropic ... #Pharmacology #Summary
Stroke Volume & Cardiac Output Measurement on POCUS
Accurately measure LVOT diameter:
1. Obtain PLAX 
2. Zoom to
LVOT Diam/2) 2 SV
Acute Stroke - Diagnosis and Management Summary

- Dr. Declan O'Kane @drokane

#CVA #stroke #summary #diagnosis #management #treatment
and Management Summary ... #CVA #stroke #summary
Takotsubo Cardiomyopathy - Summary Sheet
 • Definition
 • Epidemiology
 • Pathogenesis
 • Presentation
 • Management

by Dr.
Cardiomyopathy - Summary ... management #cardiology #summary
Update on the ED Management of Intracranial Hemorrhage: Not All Head Bleeds Are the Same -
provides an excellent summary ... Summary Table on ... Management #NSG #Summary