22 results
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... of Cardiac Arrest ... Hyperkalemia, Hypothermia Tamponade ... (Cardiac), Toxins ... #HsTs #acls #differential
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... of Cardiac Arrest ... Toxins / Tablets, Tamponade ... #Arrest #Causes ... #differential #
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Tamponade ... Syndrome #Syncope #Cardiology ... #Differential # ... Diagnosis #Algorithm #causes
Cardiac Rupture with Pericardial Effusion

Apical 4 chamber. Note larger right sided pericardial effusion with significant compression
Cardiac Rupture ... arrest. ... pericardial #effusion #tamponade ... MyocardialInfarction #AMI #POCUS #Echocardiogram ... #ultrasound #Cardiology
VFib Arrest on POCUS Echocardiogram

67yo male arrives unresponsive and pulseless after 20min continuous prehospital CPR. 

#VFib
VFib Arrest on POCUS ... Echocardiogram ... #VFib #Arrest #Cardiac ... #POCUS #Echocardiogram ... Clinical #PLAX #Cardiology
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Cardiac Arrest ... #Arrest #cardiology ... #differential # ... diagnosis #causes
Fine Ventricular Fibrillation on POCUS Echocardiogram

Male, witnessed cardiac arrest.

- Dr. Robert Jones @RJonesSonoEM

#Ventricular #Fibrillation #VFib #POCUS
Male, witnessed cardiac ... arrest ... #Fibrillation #VFib ... #POCUS #Echocardiogram ... #clinical #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... (4) SA node arrest ... 200ms from longer pause ... electrocardiogram #cardiology ... #differential
Ventricular Fibrillation on POCUS Echocardiogram (S4C)
Can be missed on cardiac monitor - another reason to echo
Fibrillation on POCUS Echocardiogram ... Can be missed on cardiac ... to echo during arrest ... Prats @PratsEM #VFib ... S4C #clinical #cardiology
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Abnormalities - Differential ... pressure >10mmHg: • Cardiac ... tamponade • AECOPD ... Abnormalities #Disorders #Cardiology ... Diagnosis #Algorithm #causes