16 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
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Catheterization ... arterial catheterization ... cardiogenic shock (eg ... output (ie, cardiac ... #Differential #Table
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
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
low (1-2) risk, +ECG ... Rx: NSTEMI/UA: stable ... #Indications #Cardiac ... #catheterization ... #cardiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... lack of acute cardiac ... level <100 pg/ml EKG ... Catheterization ... differential #diagnosis #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... RV dysfunction. e.g ... CARDIAC POWER OUTPUT ... forward flow. e.g ... much as 40% in cardiac
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
QRS complex Pulmonary ... Disorders: • Hyperkalemia ... no P waves • Hypercalcemia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
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