923 results
CARDIAC MYOCYTE POTENTIALS

#Pathophysiology #Cardiology #Cardiac #Myocyte #Ventricular #ActionPotentials #Channels #Phases
CARDIAC MYOCYTE ... Pathophysiology #Cardiology ... #Cardiac #Myocyte
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
Depolarization Phase 1: ... ActionPotential #Myocytes
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
“D Sign” EI > 1 ... - POCUS 101 @Pocus101 ... psax #diagnosis #cardiology ... #pocus
Cardiac Myocyte Contractile cycle
 - Ca2+ binds to TnC → TnI is inhibited → conformational change
Cardiac Myocyte ... Pathophysiology #Cardiology ... #Myocyte #Contractile
POCUS - Measuring Cardiac Output
1) Calculate LVOT Area
2) Calculate LVOT VTI
3) Calculate Cardiac Output

SV = (LVOT
POCUS - Measuring ... Cardiac Output 1) ... x HR (bpm) - POCUS ... Cardiac #Output #CO #POCUS ... #Measurement #cardiology
Stroke Volume & Cardiac Output Measurement on POCUS
Accurately measure LVOT diameter:
1. Obtain PLAX 
2. Zoom to
Measurement on POCUS ... LVOT diameter: 1. ... Calculate VTI: 1. ... #Measurement #POCUS ... #cardiology
Focus Assessed Transthoracic Echo (FATE) - Basic FATE views

Pos 1: Subcostal 4-chamber

Pos 2: Apical 4-chamber

Pos 3:
Focus Assessed Transthoracic ... FATE views Pos 1: ... Echocardiogram #POCUS
Cardiac POCUS.  #diagnosis #em #cardiology #pocus
Cardiac POCUS. ... diagnosis #em #cardiology ... #pocus
LAD Coronary Artery Dissection on POCUS

Severe CP x 1 hour, Ant/Sept STEMI on EKG.  ED
Dissection on POCUS ... Severe CP x 1 ... Artery #Dissection #POCUS ... PSAX #Clinical #Cardiology
An algorithm for assessment of Shortness of Breath using POCUS
#Diagnosis #Radiology #POCUS #Lung #Algorithm #ShortnessOfBreath
of Breath using POCUS ... #Diagnosis #Radiology ... #POCUS #Lung #Algorithm