6 results
Progressive ECG changes with increasing 
hyperkalaemia. 
 (a) Normal 
 (b) Tented T wave (arrow)
changes with increasing ... (a) Normal (b) ... d) 'Sine wave' pattern ... #Diagnosis #Cardiology ... #Progression #Changes
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The heart rate change ... PR interval are normal ... Pacemaker: • The change ... #Arrhythmia #cardiology ... #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The heart rate change ... PR interval are normal ... Pacemaker: • The change ... #Arrhythmia #cardiology ... #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Early-repolarization pattern ... bundle-branch block; and sinus ... dissection • Sodium-channel ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
no pulse OR not sinus ... pulse present AND sinus ... known drug causes (eg ... digoxin; calcium channel ... Management #Workup #Cardiology
Peripartum Cardiomyopathy (PPCM)

What is PPCM?
• A form of acute systolic heart failure that develops late in
Presentation: • Mimics normal ... combination of hormonal changes ... • Nonspecific: sinus ... neurohormonal changes ... Cardiomyopathy #Cardiology