17 results
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Classic EKG triad of long QT, ST-depression, and PVCs in Hypokalemia
Worry about hypokalemia; this patient had
Classic EKG triad ... of long QT, ST-depression ... this patient had cardiac ... LongQTC #PVCs #EKG ... #ECG #Electrocardiogram
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... associated with cardiac ... arrest and sudden cardiac ... patients with SQTS Hypercalcemia ... #ecg #ekg #electrocardiogram
Cardiac Findings in Sarcoidosis
Most Commonly Affected Sites:
 - LV free wall (esp. basal posterior wall)
 -
Cardiac Findings ... dysfunction or pulmonary ... hypertension Pericardial ... - Effusion ECG ... #Sarcoidosis #Cardiology
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Secondary to invasive cardiac ... • Malignancy (e.g ... patients with pulmonary ... CAUSES • PRIMARY Cardiac ... Differential #Diagnosis #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
QRS complex Pulmonary ... Disorders: • Hyperkalemia ... no P waves • Hypercalcemia ... Prinzmetal's Angina: • Epicardial ... #ecg #ekg #electrocardiogram
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... CARDIAC POWER OUTPUT ... Increases in RAP or pericardial ... forward flow. e.g ... much as 40% in cardiac
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... arrhythmia syndromes (e.g ... ., long QT syndrome ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG
Yamaguchi cardiomyopathy on Echocardiogram (A4C)

ECG has been stable for years, she only feels unwell when in
Echocardiogram (A4C) ECG ... has been stable ... Cardiac MR shows ... hypertrophic #clinical #cardiology ... #pocus
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... exam Determine Cardiac ... indicated • EKG ... Obtain EKG if: ... postoperative cardiac