656 results
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Without Sensory Changes ... With Sensory Changes ... Without Sensory Changes ... Diagnosis #Algorithm #Causes
Paradoxical Respirations in Diaphragmatic Paralysis

Note the paradoxical movement of the abdomen during inspiration. The accessory inspiratory
This change causes ... Clinical #Video #PhysicalExam
Chronic prepatellar bursitis with chronic changes.

MCW EM Ultrasound @ https://twitter.com/MCW_EM_US

#Chronic #prepatellar #bursitis #POCUS #Knee #Ultrasound
bursitis with chronic changes ... prepatellar #bursitis #POCUS
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: • Na+ channels ... Phase • Ca++ channels ... Potential: • K+ channels ... Block fast Na+ channels ... Classification #Classes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... practices that could cause ... neurologic/psychiatric changes ... patients if the cause ... Differential #Diagnosis #Causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization; changes ... provide the earliest clues ... repolarization causes ... in conduction causes ... Hyperkalemia #EKG #ECG #Changes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... MOA: Block K+ channels ... Classification #Classes
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... Antiarrhythmics #Classes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Transverse lines of the fingernails. (A) Beau’s lines (arrows) of the thumbnail. (B) Mees’ lines (arrowheads)
the nails can be caused ... nail matrix or changes ... In Mees’ lines, change ... paired white lines caused ... Ridges #Clinical #PhysicalExam