48 results
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
bradycardia, a fib ... with slow ventricular ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Medications • Ventricular ... fibrillation ... Clinical • Most ... Osborn #JWave #Diagnosis ... #ECG #Hypothermia
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... (AFL), Atrial Fibrillation ... Fibrillation (V-Fib ... #Differential #Diagnosis ... #Causes #cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Symptoms: • ... possibly better: • Symptom ... control with early Afib ... (< 5% pts with afibb ... #AFib #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... Distal AV block - ventricular ... bradyarrhythmia #ECG ... #EKG #diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... to 12.0 mEq/L, ventricular ... fibrillation and ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Ventricular Fibrillation - Transesophageal echo
POC-TEE in cardiac arrest: Instant recognition of shockable rhythm during a pulse
Ventricular Fibrillation ... a pulse check (ECG ... #Fibrillation # ... VFib #Arrest #Transesophageal ... POCUS #Cardiology #Clinical
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
or idiopathic ventricular ... fibrillation and ... #Cardiology #diagnosis ... Electrocardiogram #ECG ... #Clinical
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... cardio-pulmonary symptoms ... ., A-Fib also a ... in relation to ECG ... Embolism #AcutePE #diagnosis
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Myocarditis - Diagnosis ... and Causes • ... Clinical presentation ... rnonths, Cardiogenic ventricular ... Paraclinical assessment: EKG