12 results
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• J (Osborn) waves ... . sinus bradycardia ... Hypothermia #osborn #waves ... #cardiology #diagnosis ... #clinical
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Etiology • Hypothermia ... fibrillation Clinical ... #Diagnosis #Differential ... #Cardiology #EKG ... #ECG #Hypothermia
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... widening • Sinus bradycardia ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
have elevated JVP ... the underlying diagnosis ... #Giant #PHTN #JVP ... #PhysicalExam #Clinical ... #Video #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... that’s called “clinical ... #PhysicalExam #JVP ... #Cardiology #Neck
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
< 120 ms = AV junction ... hypokalaemia or bradycardia ... Interpretation #ECG ... Electrocardiogram #cardiology ... #diagnosis #system
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... lower AV cells can function ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
physiological function ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
physiological function ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , arrhythmias Etiology ... heparinized tube) • ECG ... → sine wave → PEA ... hypertonic Amp IVP