91 results
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... ACUTE STEMI - PULMONARY ... PERICARDITIS - HYPERKALEMIA ... ANEURYSM - LVH (HIGH ... #Differential #Diagnosis
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Curve Left Shift ... Temperature Right Shift ... ↑ 2,3-BPG • High ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC ... shift of K (Succinylcholine ... #differential #diagnosis ... #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential Diagnosis ... Transcellular Shift ... #Differential #Diagnosis ... potassium #low #pathophysiology
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Diagnosis Algorithm ... TTKG should be high ... #Differential #Diagnosis ... causes #potassium #high ... #pathophysiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... Wave in V1 • Shift ... in relation to ECG ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... blocks, QRS axis shift ... #potassium #high ... #diagnosis #management
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... #differential #diagnosis ... causes #potassium #high
Physiologic Changes in Pregnancy
Cardiovascular
Hematologic
Pulmonary
Gastrointestinal
Musculoskeletal

#Physiologic #Changes #Pregnancy #pathophysiology #obstetrics #obgyn #diagnosis
Cardiovascular Hematologic ... Pulmonary Gastrointestinal ... Changes #Pregnancy #pathophysiology ... obstetrics #obgyn #diagnosis
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
S - Shock H - Hyperkalemia ... Typical ECG ... other findings of hyperkalemia ... BRASH #Syndrome #diagnosis ... #management #pathophysiology